You can't imagine that a well-behaved gentleman__________be so rude to a lady.
A. might
B. need
C. should
D. would
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It has been announced that candidates________remain in their seats until all the papers have been collected.
A. can
B. will
C. may
D. shall
It is unthinkable that he_________be so careless.
A. will
B. would
C. shall
D. should
The boss has promised that every player in NBA__________have a rise in income.
A. would
B. might
C. shall
D. should
A man wants to see you, sir._________he wait outside?
A. Will
B. Shall
C. Would
D. Ought