I ________ asleep because it took me a long time to realize that the telephone was ringing.                                    
#87573
A
could fall
B
need have fallen
C
must have fallen  
D
may fall
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If my lawyer ______ here last Friday, he _____ me from telling the truth.
#87567
A
had been; would have prevented
B
had been; would prevent
C
were; would prevent
D
were; would have prevented
With lots of papers to read, he ____________ to the cinema.
#87258
A
mustn’t
B
mustn’t have gone
C
couldn’t go
D
couldn’t have gone