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(3n + 5) ⋮ (3n + 2) Đk n ≠ - \(\dfrac{2}{3}\)
3n + 2 + 3 ⋮ 3n + 2
3 ⋮ 3n + 2
3n + 2 \(\in\) Ư(3) = {-3; -1; 1; 3}
Lập bảng ta có:
| 3n + 2 | - 3 | -1 | 1 | 3 |
| n | -\(\dfrac{5}{3}\) | -1 | -\(\dfrac{1}{3}\) | \(\dfrac{1}{3}\) |
Theo bảng trên ta có:
n \(\in\) { - \(\dfrac{5}{3}\); - 1; - \(\dfrac{1}{3}\); \(\dfrac{1}{3}\)}
1. I felt very nervous while we were watching the match.
2. We were waiting at a bus stop when we first met.
3. We were amazed when we found so much money.
4, While I was cleaning the kitchen, I saw the broken window.
5. It was snowing when we went outside.
6. I was leaving the house just when you called me.
1 watched => were watching
2 waited => were waiting
3 were finding => found
4 cleaning => was cleaning
5 is => was
6 was leaving => left
II. Odd one out.
6. A. cinema B. helpful C. active D. friendly
7. A. jeans B. blouse C. jacket D. active
8. A. post office B. bus stop C. bank D. vacation
9. A. chicken B. pasta C. sandwich D. coke
10. A. oranges B. sugar C. salt D. ice-cream
III. Choose the word/ phrase (A, B, C or D) that best suits the blank in each sentence.
11. My favourite subject at school is _______ because I love reading poems and novels.
A. Math B. Geography C. Literature D. Science
12. Would you like ______ biscuits?
A. some B. a C. an D. any
13. Excuse me, can you show me the way to the ______? I want to watch some movies.
A. post office B. bus stop C. bank D. cinema
14. Bun cha is a Vietnamese traditional ______ .
A. foods B. dish C. cuisine D. plates
15. ______ sugar does Rosa need to make that cake? – 200 grams.
A. How B. How much C. How many D. How far
16. The train _____ at the station in 10 minutes. You need to hurry up!
A. arrive B. arriving C. arrives D. is arrives
17. Are there ______ apples in the tree? I want to pick some for my apple pie.
A. have B. has C. any D. some
18. My sister always _______ a bus to school but today she is ______ with us.
A. catches – walking B. catch – walk C. catching - watching D. catches - walks
19. A: Excuse me, is there a restaurant near here? B: “_____________.”
A. Yes, I do.
B. No, I don’t think so. I don’t want to eat now.
C. No, I’m not hungry.
D. Yes. Go along this street and turn left in the corner.
20. What time does the movie ______?
A. open B. opens C. start D. starts
21. He is so lazy. He ______ cleans his own room.
A. always B. never C. usually D. regularly
22. Don’t touch those notebooks. They’re _______ important files.
A. my parents B. my parent’s C. my parents’ D. my parent
23. What is your favourite kind of movie? – “_____________.”
A. My is action. What about you? B. My favourite is romantic. What’s about you?
C. Mine’s action. What’s yours? D. My is romantic. What’s your?
24. What do you like ______ in your free time? – Playing badminton.
A. doing B. do C. watch D. watching
25. A: Do you have any plan for this weekend? B: “____________________.”
A. Yes, I am. B. Yes, I am going to the art gallery this Saturday.
C. No, thanks. D. No, I don’t think you understand my point.
I. Choose the words whose underlined part is pronounced differently from that of the others in each group.
1. A. from B. post office C. volleyball D. open
2. A. umbrella B. cut C. put D. funny
3. A. parents B. tables C. chairs D. boys
4. A. ideal B. different C. creative D. kick
5. A. close B. house C. dance D. sensitive
II. Choose the word/ phrase (A, B, C or D) that best suits the blank in each sentence.
6. "What would you like to eat now?" - .................. .
A. Yes, please B. No, thanks C. Noodles, please D. Milk, please
7. ................... your teacher? - Yes, I do. She is very beautiful.
A. Do you like B. Do you want C. Would you like D. How is
8. How ...................kilos of beef does she want?
A. many B. much C. often D. about
9. I need some tea. Please give me a ................... of tea.
A. bottle B. bar C. tube D. packet
10. How do they want ................... to work? - By minibus.
A. to go B. to travel C. to walk D. Both A and B
11. ................... tonight?- Nothing
A. What are you doing B. What are you do C. What do you do D. Both A and B
1. A. from
2. B. occasion
3. B. traditional
4. B. ingredients
5. A. so
V. Complete the second sentence so that it has similar meaning to the first sentence.
1. This is the first time I’ve ever painted a mural over graffiti.
→ I have never painted a mural over graffiti before.
2. Mr. Binh started recycling rubbish two years ago.
→ Mr. Binh has been recycling rubbish for two years.
3. David failed the exam because of his laziness.
→ Because David was lazy, he failed the exam.
4. They haven’t cleaned up the street for five months.
→ It’s been five months since they cleaned up the street.
5.We have donated books and clothes for ten years.
→ We began donating books and clothes ten years ago.
1. This is the first time I’ve ever painted a mural over graffiti.
I have never painted a mural over graffiti before
2. Mr. Binh started recycling rubbish two years ago.
Mr. Binh has recycled rubbish for two years
3. David failed the exam because of his laziness.
Because David was lazy, he failed the exam
4. They haven’t cleaned up the street for five months.
It’s .five months since they last cleaned up the street
5.We have donated books and clothes for ten years.
We began donating books and clothes ten years ago
1. Is that said to be a great teacher?
2. We suggest that I should raise some money.
3. I wish I could learn Maths well.
4. It is necessary for you to know other countries' cultures.
5. It would be nice if you could take me to the station.
6. I suggest calling the police.
7. Before the 1990s, they had a big Villa with a beautiful garden.
8. Can you give a solution to the deforestation?
1: is/that/Is/said/be/a great teacher/is
It is said that he is a great teacher
2.we/suggest/I/should/some money/raise
I suggest that we should raise some money
3.I can't lear Maths well ---->I wish...I could learn Maths well..........
4.It/be/necessary/you/know/other countrie's cultures
It is necessary for you to know about other countries' cultures
5.It/be/nice/you/take/me/the station
It is nice of you to take me to the station
6.I suggest(call).....calling....the police
7.Before the 1990s, they(have)...had.... a big Villa with a beautiful garden
8.Can you give a...solution..... to the deforestation(solve)