Though there is no one in the hall, he stands on the stage as if he ____watched and expected to deliver a speech.
#87026
A
has been
B
had been
C
were being
D
is being
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—Are you content with her lecture?  —Nowhere near that. It ____. 
#89196
A
may have been good
B
couldn’t have been worse
C
can’t be better
D
must be better
. I supported him in time , otherwise he ______ off the bike .
#89506
A
might fall
B
would fall
C
should have fallen
D
would have fallen
I can’t find the recorder in the room. It ________ by someone.
#87740
A
may take
B
may have been taken away
C
must have taken away
D
needn’t have been taken away