I can’t believed it. She __________ it by herself. It weighs over a ton.
A.couldn’t lift
B.might not lift
C.may not have been able to lift
D.can’t have lifted

Barbara ‘s letter from Sydney ________ the last one, so I was very surprised to find another blue envenlope with Australian stamps in my mail.
A.had been
B.would have been
C.was to be
D.ought to be

Don't you think that, since the two brothers do not speak to each other, we ___________ big problems getting their wives to sit together at the party?
A.could have got
B.may have had
C.may be able to have
D.might have

A: Are you going to enrol on the second course when we finish this one?

B: I don’t know. It ‘s tiring coming every day after work. I ________ a month before I start the second course.
A.have to wait
B.am supposed to wait
C.could have waited
D.may wait

How very lucky you you were ! You ________ in the crowd.
A.could get lost
B.could have lost
C.could have got lost
D.didn’t lose

As some of the senior officers had very little English at school, additional interpreters _________ needed. The exact number should be known on their arrival.
A.have better been
B.might have been
C.had better been
D.may now be

James will book the hotel rooms for the German representatives and you ______ them at the airport at eight o’clock. Is that clear?
A.are to meet
B.can meet
C.have meet
D.would meet

A: I wish I hadn’t criticised Mark ‘s drawings yesterday because he hasn’t spoken to me today. Do you think he ‘ll come to my party on Friday?

B: Possibly, he __________ you by then.
A.has forgiven
B.was able to forgive
C.must have forgiven
D.might have forgiven

In fact the criminals __________ in because the front door was wide open and so they just walked in.
A.needn’t have broken
B.didn’t need break
C.didn’t need to break
D.needn’t to have broken

If the company’s bank account remains blocked, they _______ to pay us back next month.
A.may have been unable
B.might not be able
C.can’t be able
D.can be unable