1. You __________________________ use this product without protection. 

a) aren’t supposed 

b) are not meant 

c) ‘d better not 

2. You ________________________ go to the ceremony if you don't feel like it. It'll be very  boring anyway. 

a) mustn’t 

b) haven’t to 

c) don’t have to 

3. We took too much risk. We _________________________ that decision. 

a) mustn’t made 

b) shouldn’t make 

c) needn’t have made 

4. He ________________________ the bus because his brother picked him up at the station. 

a) shouldn’t have taken 

b) needn’t have taken 

c) didn’t need to take 

5. He ________________________ so much money on the trip. I specially told him to spend as  little as possible. 

a) shouldn’t spend 

b) had better not spend 

c) shouldn’t have spent 

6. The refugees ________________________________ to work outside the camp. 

a) had better not 

b) are not allowed 

c) mustn’t 

7. We couldn't find a hotel so we ___________________________ in the car. It was so  uncomfortable! 

a) must have slept 

b) should have slept 

c) had to sleep 

8. You ___________________________________ forget to take your medicine. 

a) ought to 

b) mustn’t

c) don’t have to

Fill in each gap with one suitable word or two contracted words (e.g. shouldn’t, mustn’t, needn’t or similar).

TEACHER: What are you doing here? You are not _________________________ to be here.

STUDENT: Sorry, I know students _____________________ not go into the staffroom, but I

really need to speak with Mr. Donovan.

TEACHER: Well, you ________________________ have come in here to talk to him. It wasn't

really necessary. You could have gone to the principal's office and ask him to call Mr. Donovan.

Actually, that's what you ______________________________ have done.

STUDENT: I'm sorry, I wasn't thinking straight. I really ____________________ to talk to him

urgently.

TEACHER: Well, you'd ___________________ think straight the next time, OK? Now, if you want

to talk to Mr. Donovan, you don't __________________ to go to the principal's. I'll call him

myself. And, please, you __________________ to take that chewing gum out of your mouth.

You know that chewing gum is not _________________ on school premises.

You ______________________ better not do it again, or I'll have to send you to detention.

STUDENT: OK, Mr. Harris. Thanks.