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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The workers in the factory demanded that their pay   by 20 percent.
#87643
A
be raised
B
would be raised
C
should arise
D
should be risen
.We were all waiting for you .You _____for the seaside by yourself without leaving a message.
#89123
A
mustn’t leave
B
shouldn’t have left
C
couldn’t have left
D
needn’t leave
 The project was carefully planned, or a great deal of money ________.
#86486
A
will lose
B
will be lost
C
would have lost
D
would have been lost