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1. He (finish) ……had finished………the work before we (get) …got……back last night.
2. If he (work ) ……works……hard today, he (can/have) …can he have………a holiday tomorrow?
3. A lot of people (kill) ……had been killed……before the rescue workers (arrive) …arrived………
4. The Ring of Fire (believe) …is beleived………(be) is…the most dangerous place with usual volcanic eruptions and earthquakes.
5. The wildlife (be) ……will be………in danger if we (not care) …don't care…for them.
6. Unless I have a quiet room I (not be able/do) …won't be able to do……any work.
7. We (take) ……will take……an umbrella because it (look) …looks……as if it was going to rain.
8. What noisy neighbor you have got! If my neighbours (be) …are……as bad as yours, I (go) …will go…crazy.
9. When we (get) …goy……there we could see that they (not expect) …didn't expect…us at all.
10. All the trapped people in the collapsed building (cry) …were crying…for help when we came.
Unfortunately, we do need to work today, and I don’t like it.
A. I wish that we didn’t need to work today.
B. If we worked today, I would like it.
C. I hope that we won’t need work today.
D. We don’t need to work today.
We have to work hard if we wants to get good marks in the final exam. We had to work hard if we wanted to get good marks in the final exam. We have to work hard if we want to get good marks in the final exam. We has to work hard if we want to get good marks in the final exam
1. If we work hard, we will pass the exam.
2. If you play with the matches, you will hurt yourself.
3. It's fun to learn about recycling.
4. Why don't we write about the three Rs ?
5. If you provoke the monkey, it will attack you.
6. If we reusable bags for shopping, we will help the environment.
7. How about planting more trees and flowers ?
8. What a beautiful and clean school !
Đáp án A
Kiến thức về câu điều kiện
Căn cứ vào “if” mà “must have” thì câu này là câu điều kiện loại 1.
Câu điều kiện loại 1 có công thức như sau:
If + S +V (hiện tại đơn), S + will/can/must… + V
Chủ ngữ của mệnh đề điều kiện là “we” nên động từ phải chia ở dạng số nhiều.
Đáp án A
Tạm dịch: Nếu chúng ta thực sự muốn thành công, chúng ta phải làm việc chăm chỉ.
1)We work hard today , số we'll make this beach a olean and beautiful place again
- if..we work hard today, we will make the beach clean and beautiful again...
2) let's use public buses instead of motorbikes
- what about..using public buses instead of mtorbikes.....
3) she was tired số she went to bed
- she went.......to bed because she was tired........
4) study hard or you'll fail the exam
-if.....you don't study hard, you'll fail the exam.............