Hợp chất A có công thức M2X . Tổng số 3 loại hạt cơ bản (n, p, e) trong A là 140 hạt. Tổng số hạt mang điện trong nguyên tử M lớn hơn tổng số hạt mang điện trong nguyên tử X là 22 hạt. Trong nguyên tử M thì số hạt proton ít hơn số hạt nơtron là 1 hạt. Trong nguyên tử X thì số proton bằng số hạt notron. Xác định số hiệu nguyên tử và số khối của M, X ; công thức phân tử . và gọi tên hợp chất A.

n/…………………………………………………………..
7. Mr. Peter doesn’t teach us English every day.
a/…………………………………………………………..
i/…………………………………………………………..
8. We travel to work at six in the morning.
n/………………………………………………………….
i/………………………………………………………….
9. She sometimes takes care of her pet. 
n/………………………………………………………………………
i/………………………………………………………………………
10. He doesn’t always make his children work hard.
a/………………………………………………………………………
i/………………………………………………………………………
11.Does her father usually play table tennis on Sunday.?
a/………………………………………………………………………
n/………………………………………………………………………
12. My older brother often looks after me on Sundays.
n/………………………………………………………………………
i/………………………………………………………………………
13. My  parents aren’t at work today.
A…………………………………………………………………
I…………………………………………………………………
14. Does she fly to Singapore once a month?
A…………………………………………………………………
N…………………………………………………………………
15. There are some onions on the counter.
N………………………………………………………………..
I………………………………………………………………..
16. They are my sister and brother.
N………………………………………………………………..
I………………………………………………………………..
f) đặt câu hỏi với từ gạch chân
1.……………………………………………………………………………..
à My sister does her homework in her room.
2………………………………………………………………………………
à  I live in the countryside.
3………………………………………………………………………………
à My brother reads newspapers everyday.
4………………………………………………………………………………
à She has one car.
5……………………………………………………………………………….
à She likes English and Maths.
6………………………………………………………………………………..
àI don’t go camping Because I am tired .
7………………………………………………………………………………..
à My birthday is on June first, 2003.
8………………………………………………………………………………..
à My sister gets up at 6 AM.
9…………………………………………………………………..
à ​She lives with her grandma. 
10. ………………………………………………………………….
à​I go to school in the morning .
11…………………………………………………………………..
à​My father is an engineer.
12………………………………………………………………….
à​ My friend comes from England.
13………………………………………………………………….
à​ I play badminton .
14…………………………………………………………………..
à​ My sister goes to bed at nine o’clock.
15. …………………………………………………………………
à ​My class begins at half past six.
16…………………………………………………………………..
à ​There is a red car in the park.

giúp mình với ạ !!!
 

THE SIMPLE PRESENT TENSE

a) affirmative

1. She( go)  to school by bus everyday.​​​

2.He ( study)……….....................………mathematics at school

3. My mother  (brush)……......................…………my sister’s teeth.​

4. They( play)…………….................……..soccer every evening.

5. She( fly)……………….............…………….the kite after school.​

6. we( fly)………………..............……….the kite every after noon

7. It ( run)……………….................…………very fast on the street.

8. They (run)…………….....................………slowly on the road.

9. My brothers( watch)…...............……………. TV every evening.​

10. He( watch)……………....................……the cartoon film on TV.

11. My sister ( fix)……….............……………her bicycle at home.​

12. My kids ( fix)………...................……….their car toys at their room.

13. Her son ( stay)…………..............…………at grand parents’ house.​

14. Her daughters( stay)….....................…….. with my mother.

15. Mr. Peter ( quiz)………...................…………. at the end of the English course.

16. Their child ( sleep)……...................….. In the cradle in the bedroom.

17. My car( have)…………............................………….a poster on it.​

18. Your aunts ( have)……...............................……a niece and a nephew.

19.  Mr. Peter( do)…………..................…………the shopping at the weekend.​

20. He ( play)………………...................……badminton at the weekend.

b)NEGATIVE

1. She_______________________  ( not go) to school every morning.

2.My brother ____________________  (not  watch) Television after dinners.

3. We __________________    (not study) English twice a week.

4.A bird_______________________     (not fly) in the Sky in the mornings.

5. My friend and I___________________    (not play) football on Sundays.

6. it______________________    (not walk) very slowly on the street.

7. My sister  ___________always _________(not listen) to music every night.

8. They __________________  (not play) tennis three times a week.

9. I ____________ sometimes ____________   (not miss) the bus on Saturday .

10. He____________________   ( not cry) after getting up every day.

11.She ______________________   ( not wash) her hands before meals.

12. They ____________________(not like) fish and chicken for lunch.

13 she____________________    ( not have) a new book in her hand.

14. Mr. Peter _______________________( not fly) to the USA on Sunday

15. My friend _______________________( not/ learn) the lesson by heart.

16. We ____________________(not have) English and physical education in May

c)interrogative

1._____She_________( go) to school every morning? Yes,_______________

2.  ___________Your brother______( watch) Television after dinners? No,__________

3.___________We ________(study) English twice a week? yes,_____________

4. __________ A bird________ (fly) in the Sky in the mornings? No,____________

5. __________Your friend and you_____ (play) football on Sundays? Yes,__________

6. _______it_______( walk) very slowly on the street? no,____

THE SIMPLE PRESENT TENSE

a) affirmative

1. She( go)  to school by bus everyday.​​​

2.He ( study)……….....................………mathematics at school

3. My mother  (brush)……......................…………my sister’s teeth.​

4. They( play)…………….................……..soccer every evening.

5. She( fly)……………….............…………….the kite after school.​

6. we( fly)………………..............……….the kite every after noon

7. It ( run)……………….................…………very fast on the street.

8. They (run)…………….....................………slowly on the road.

9. My brothers( watch)…...............……………. TV every evening.​

10. He( watch)……………....................……the cartoon film on TV.

11. My sister ( fix)……….............……………her bicycle at home.​

12. My kids ( fix)………...................……….their car toys at their room.

13. Her son ( stay)…………..............…………at grand parents’ house.​

14. Her daughters( stay)….....................…….. with my mother.

15. Mr. Peter ( quiz)………...................…………. at the end of the English course.

16. Their child ( sleep)……...................….. In the cradle in the bedroom.

17. My car( have)…………............................………….a poster on it.​

18. Your aunts ( have)……...............................……a niece and a nephew.

19.  Mr. Peter( do)…………..................…………the shopping at the weekend.​

20. He ( play)………………...................……badminton at the weekend.

b)NEGATIVE

1. She_______________________  ( not go) to school every morning.

2.My brother ____________________  (not  watch) Television after dinners.

3. We __________________    (not study) English twice a week.

4.A bird_______________________     (not fly) in the Sky in the mornings.

5. My friend and I___________________    (not play) football on Sundays.

6. it______________________    (not walk) very slowly on the street.

7. My sister  ___________always _________(not listen) to music every night.

8. They __________________  (not play) tennis three times a week.

9. I ____________ sometimes ____________   (not miss) the bus on Saturday .

10. He____________________   ( not cry) after getting up every day.

11.She ______________________   ( not wash) her hands before meals.

12. They ____________________(not like) fish and chicken for lunch.

13 she____________________    ( not have) a new book in her hand.

14. Mr. Peter _______________________( not fly) to the USA on Sunday

15. My friend _______________________( not/ learn) the lesson by heart.

16. We ____________________(not have) English and physical education in May

c)interrogative

1._____She_________( go) to school every morning? Yes,_______________

2.  ___________Your brother______( watch) Television after dinners? No,__________

3.___________We ________(study) English twice a week? yes,_____________

4. __________ A bird________ (fly) in the Sky in the mornings? No,____________

5. __________Your friend and you_____ (play) football on Sundays? Yes,__________

6. _______it_______( walk) very slowly on the street? no,____

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