Question

13.Complete the sentences with must, mustn’t, shouldor shouldn’t.

(Hoàn thành các câu với must, mustn’t, should hoặc shouldn’t.)

1 We ………… swim in the sea today. The weather is very bad and there’s a red flag.

2 The exams are finished now. You ………… relax and have a nice time with your friends.

3 You ………… eat in the library. That’s the rule.

4 We ………… arrive on time for lessons every day. It’s very important.

5 You ………… go to bed late. It isn’t a good idea.

6 We ………… cycle to school every day. It’s cheaper than the bus.

7 You ………… buy that book. It isn’t very good.

 

Answer 1

1. mustn’t 

2. should 

3. mustn’t

4. must 

5. shouldn’t 

6. should 

7. shouldn’t