He is an hour late by now.He         last night.
#87971
A
must stay up
B
should stay up
C
must have stayed up
D
should have stayed up
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“I know she was in because I heard her radio, but she didn’t open the door.” “She___the bell.” 
#88102
A
may not be hearing
B
may not have heard
C
must not have heard
D
must not be hearing
.— Why didn’t you tell me the truth that day? — I _____, but you _____ for Fuzhou when I went to see you.
#88309
A
did; would leave
B
would; have left
C
would have; had left
D
had; left
--- I’m sorry. I ___________ at you the other day. --- Forget it. I was a bit out of control myself.
#89846
A
shouldn’t shout
B
shouldn’t have shouted
C
mustn’t shout
D
mustn’t have shouted