25CĐ.TA – C6 – E1

The windows look clean. You __________ wash them.

• are not to

• needn't

• don't have to

• mustn't

You ________________ disturb him during his work!

• should not

• needn't

• mustn't

• don't have to

You don't look well. You _______________ see a doctor.

• could

• need to

• are to

• should

I don't believe it. It ____________ be true.

• can't

• mustn't

• shouldn't

• wouldn't

You _______________ to write them today.

• should

• must

• had

• ought

___________ lending me your CD player for a couple of days?

• Can you

• Would you mind

• Would you

• Could you

Young people ________________ obey their parents.

• must

• may

• will

• ought to

She ______________ home yesterday because her little son was sick.

• could have stayed

• must have stayed

• had to stay

• should have stayed

__________ I be here by 6 o'clock? - No, you _________________

• Shall; mightn't

• Must; needn't

• Will; mayn't

• Might; won't

Whose car is this? - It _________ be Anton's. I think I saw him driving a red car like this one.

• could

• might

• must

• would