It is requested that each of the teachers invited ______ a performance at the party. 
#86930
A
give
B
will give
C
has to give
D
must give
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What a pity! I ______in Hainan two more days,but something urgent needed to be dealt with back home.
#89437
A
must have stayed
B
needn't have stayed
C
may have stayed
D
could have stayed
He________ the person referred to be put in prison.
#90406
A
said
B
demanded
C
agreed
D
thought
The man in prison insisted that he _______ nothing wrong and _______ set free.
#88178
A
should do, should be
B
had done, should be
C
had done, had been
D
should do, had been