Question 1

There's someone at the door. It    ....... be the postman.

Accepted Answer

must

Answer

can

Question 2

Don't worry, you ........ pay now.

Accepted Answer

don't have to

Answer

/mustn't

Answer

needn't have

Question 3

I think you ........... take a pullover with you.

Accepted Answer

had better

Answer

had

Answer

would better

Answer

ought

Question 4

Jones........ be president if Smith has to resign.

Accepted Answer

could

Answer

must

Answer

can

Question 5

Sorry, I can't stay any longer. I .........go.

Accepted Answer

have to

Answer

needn't

Answer

must

Question 6

It was 5 o'clock an hour ago. Your watch ........ be right.

Accepted Answer

can't

Answer

can't have

Answer

mustn't

Answer

couldn't

Question 7

It's a school rule, all the pupils  .........wear a uniform.

Accepted Answer

have to

Answer

shall

Answer

need

Answer

must

Question 8

I suppose that our team ....... win, but I'm not sure.

Accepted Answer

should

Answer

can

Answer

must

Question 9

Let's tell Diana. She ....... not know.

Accepted Answer

might

Answer

could

Answer

should

Answer

had better

Question 10

In my opinion, the government ..... do something about this.

Accepted Answer

should

Answer

might

Answer

had better to

Answer

ought

Question 11

I think you ....give up smoking immediately.

Accepted Answer

had better

Answer

must have

Answer

had to

Question 12

Do I ......to bring my passport?

Accepted Answer

have

Question 13

the cat .......be  in the house somewhere.

Accepted Answer

must

Question 14

You...... to have an aerial with this radio.

Accepted Answer

don't have

Answer

needn't

Question 15

It is very inconvenient if you ....drive.

Accepted Answer

can't

Answer

would

Question 16

I am sure that John .......be the thief. (not)

Accepted Answer

can't

Answer

mustn't

Question 17

I thought that you.....to know better!

Accepted Answer

ought

Answer

would

Question 18

Astronauts ......feel afraid sometimes. It's only natural.

Accepted Answer

must

Answer

can't

Answer

have

Question 19

You ...... come in here. It isn't allowed

Accepted Answer

mustn't

Answer

needn't

Question 20

All motorcyclists..... to wear crash helmets. It's the rule.

Accepted Answer

have

Question 21

Don't stand up in the boat! You ... fall in the river!

Accepted Answer

might

Question 22

Sue says she's stuck in traffic and she ... be late.

Accepted Answer

may

Answer

has

Question 23

You really ... start spending more time on your work.

Accepted Answer

must

Question 24

Tell Peter he ... stay the night here if he wants to.

Accepted Answer

can

Answer

can't

Answer

has

Question 25

That's a really stupid idea! You ... be serious, surely!

Accepted Answer

can't

Answer

have

Question 26

Don't be silly. You ... expect me to believe you!

Accepted Answer

can't

Answer

needn't

Answer

mustn't

Question 27

Harry ......take  a holiday.It would be a good idea

Accepted Answer

should

Answer

ought

Question 28

I'm sure that Brenda ......be over thirty. Not possible

Accepted Answer

couldn't

Answer

mustn't

Answer

was able to

Question 29

What do you think I ..... do?

Accepted Answer

should

Question 30

I .......gone out after all. It wasn't necessary

Accepted Answer

needn't

Answer

couldn't

Answer

didn't have to

Question 31

Sally........... enjoyed her holiday. I don't think so

Accepted Answer

can't  have

Answer

should have

Answer

must

Question 32

It's possible.  Bill ............seen me.

Accepted Answer

may have

Answer

can't have

Answer

must

Question 33

I think you .....sold your bike.

Accepted Answer

should have

Answer

ought have

Answer

couldn't

Question 34

......I go out please ,Mrs Winters?

Accepted Answer

May

Answer

Shall

Question 35

..... we go out tonight?

Accepted Answer

Shall

Question 36

Mark .....to finish first at the race yesterday

Accepted Answer

was able to

Answer

ought

Answer

could

Question 37

-Could I go out please?  -  Sorry ,no you ....

Accepted Answer

can't

Answer

mustn't

Answer

needn't

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