A. shouldn’t
B. can’t
C. mustn’t
D. hadn’t
A. Can
B. May
C. Will
D. Should
A. May I
B. Will I
C. Shall I
D. Should I
A. used to
B. could
C. would
D. both A and B
A. has to
B. would
C. shall
D. must
A. must/ have to
B. mustn’t/ shouldn’t
C. should/ needn’t
D. may/ must
A. mustn’t
B. can’t
C. ought not to
D. needn’t
A. have
B. would have
C. had had
D. should have
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