To choose the best graphic aid , you must choose one suited to the objective you hope to achieve.
第1题:
A:I haven't eaten all day.
B: You __ be very hungry.
A. should
B. have to
C. must
第2题:
A.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t
第3题:
第4题:
A: I haven't sat down all day.
B: You _____be very tired.
A. could
B. have to
C. must
第5题:
3.—__________ 1 go out for a while?
—No,you __________ You must finish your homework first.
A. Must,needn't
B. Can,may
C. May,mustn't
D. May,must
第6题: