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If you don't keep silent, you will wake the baby up
If you talk more, you won't understand the lesson
Unless she hurries, she won't be late
Unless you are careful, you will cut yourself
If she whispers, everyone won't know what she is saying
If you eat more vegetables, you will be healthier
If you don't pay the water bill today, your clean water will be cut off
If you don't stop smoking, your cough may be worse
If we use less fosil fuel, they won't be run out soon
1. If you don't work hard, you will fail the exam.
2. It takes me two hours to get to Hai Phong by train.
3. The water was too cold for the children to go swimming.
The cold water prevented the children from going swimming.
4. Don't forget get up at eight tomorrow mornings.
5. You didn't watch the television last night , did you ?
Chúc bạn học tốt !!!
I) Circle the most suitable word or phrase to complete the sentences below:
1. You must..................in class.
A. keep silent B. to keep silent
C. keeping silent D. keep silent
2. Shall we go ......bicycle?
A. with B. on
C. by D. at
3. What shall we ....this evening ?
A. does B. to do
C. doing D. do
4. Can I ........ your book ?
A. borrows B. borrow
C. to borrow D. borrowing
1, am looking
2, know
3, is doing
4, plays
5, am lisitening
6, watches
7, is studying
8, doesn't do
9, is asking
10, aren't work
1 I_____am looking____(look) for jack .Do you know where he is?
2. You___know___(know) a lot about computers.
3. They__is doing____(do) maths homework now.
4. Mark often___plays__(play) tennis at the weekend.
5.Just a minute,I can't hear you. I ___am listening____(listen) to the radio.
6.Bob _watches_____ (watch) the news on TV every morning.
7.Be quiet! The children___is studying___(study) in the room.
8.Mark___does not do____(not do) homework on Saturdays.
9.Wake up!The teacher___is asking____(ask) you a question.
10.We___are not work___(not work) at the moment.We're on the break.
nha bạn
Những Giấc Mơ Sao- Bạn có thể thu thập các ngôi sao trong giấc ngủ . Nhấn OK để thức dậy và bạn nhận được để giữ lũy thành tích.Một số cuộc gọi đến trong một giấc ngủ sẽ làm gián đoạn giấc mơ của bạn và điểm tích lũy sẽ bị mất.
Chúc bạn học tốt. 
dịch là:
Những giấc mơ sao-bạn có thể thu thập các ngôi sao trong giấc ngủ của mình.Nhấn OK để thức dậy và bạn sẽ đc tích lũy điểm.Một số cuộc gọi đến trong suốt giấc ngủ sẽ làm gián đoạn giấc mơ của bạn và điểm tích lũy của bạn sẽ mất
Dịch đại không chắc đâu à
A:Trọng lực rất quan trọng
B:Trọng lực là gì?
A:Nó là một lực ép mọi thứ xuống
B:T không hiểu
A:Nếu bạn đổ nước vô một cái ly,nước sẽ chảy xuống cái ly
B:Tất nhiên nó vậy rồi
A:Nếu không có Trọng lực,Nước sẽ đi lên (hay bay lên nghe nó hợp lí)
B:Bạn đang đùa à
A:Nếu không có Trọng lực,bạn sẽ đi lên
B:Ý là gì?
A:Bạn sẽ lơ lửng trên trời như bong bóng
B:Nó sẽ vui đấy
. A: Trọng lực rất quan trọng.
B: trọng lực là gì?
A: Đó là lực kéo mọi thứ xuống.
B: Tôi không hiểu.
A: Nếu bạn rót nước vào ly, nước sẽ chảy xuống ly.
B: Tất nhiên là có.
A: Không có trọng lực, nước sẽ dâng lên.
B: Bạn đang nói đùa.
A: Không có trọng lực, bạn sẽ đi lên.
B: Ý bạn là gì?
A: Bạn sẽ lơ lửng trên bầu trời như một quả bóng bay.
B: Điều đó sẽ rất vui!
Exercise 1: Rerwite the following sentences that keep the same meaning.
1. You should take the train instead of the bus.
-> If..............I were you, I'd take the train instead of the bus........ ..................
2. I'm sure that someone forgot to lock the door.
--> Someone must.............. have forgotten to lock the door.........................
3. They bought this house ten years ago.
--> They have..................... had/ owned this house for ten years................... .....
4. The course finished with a big party.
--> At the end................. of the course, there was a big party................. ....
5. We invited a pop star onto the chat show, but he didn't turn up.
--> The pop star...that/ who/ whom we invited onto the chatshow didn't turn up.......... ..
6. Although she said that she would come, I don't think she ever will.
—> Despite.....her saying that she would come, I don't think she ever will..... ...........
7. The plane had hardly left the airport when the accident happened.
--> No sooner......... had the plane left the airport than the accident happened................ .......
8. You feel tired now because you didn't sleep very well last night.
-> Had..............you slept well last night, you wouldn't feel tired now..............
9. When did you start the project?
—> How long...............is it since you started the project ?.......... ....
10. Their wedding will be held in a lovely church.
--> The church.............where their wedding will be held is lovely......... ......
1. You should take the train instead of the bus.
-> If I were you, I'd take the train instead of the bus.
2. I'm sure that someone forgot to lock the door.
-->Someone must have forgotten to lock the door.
3. They bought this house ten years ago.
--> They have had/ owned this house for ten years.
4. The course finished with a big party.
--> At the end of the course, there was a big party.
5. We invited a pop star onto the chat show, but he didn't turn up.
--> The pop star that/ who/ whom we invited onto the chats how didn't turn up.
6. Although she said that she would come, I don't think she ever will.
—>Despite her saying that she would come, I don't think she ever will.
7. The plane had hardly left the airport when the accident happened.
--> No sooner had the plane left the airport than the accident happened.
8. You feel tired now because you didn't sleep very well last night.
-> Had you slept well last night, you wouldn't feel tired now.
9. When did you start the project?
—>How long is it since you started the project?
10. Their wedding will be held in a lovely church.
--> The church where their wedding will be held is lovely.
1. Do you think food is becoming safer or less safe to eat? Why?
- Bạn có nghĩ rằng thực phẩm đang trở nên an toàn hơn hay ít an toàn hơn không? Tại sao?
- Answer: I think food is becoming less safe to eat. Because nowadays the market is consuming poor quality food.
2. Are you concerned about the origin of the food? Why or Why not?
- Bạn có quan tâm đến nguồn gốc thực phẩm không? Tại sao hoặc tại sao không?
- Answer: I am concerned about the origin of the food. Because I want to use safe food.
3. Do you think it is safer to eat out or at home? Why?
- Bạn nghĩ an toàn hơn khi ăn ở ngoài hay ăn ở nhà? Tại sao?
- Answer: I think it is safer to eat at home. Because home food is fresher and better than out food.
1. Hung up or you will be for work
If you do not ......... Hung up,you will be for work.......
2. I might be late. If so, let's start with our me
If I am late ,I won't start with our me
4. I'll call the police. If you don't leave me alone
I'll call the police unless you don't leave me alone
5. In this now weather we don't go to school
If it is not ????
6. You drink too much coffice that's why you can't shop
If you do not drink too much coffice, you can shop
If you don't keep silent you will wake the baby