Miss Wang's bicycle is blue. So the red one _____ be hers.
A. could
B. can't
C. must
D. might
查看答案
——Kelly, _____ I use your dictionary?——Yes, sure. _____ you give it to David after you use it?
A. will; Would
B. may; Might
C. can; Could
D. shall; Should
——Is John coming by train?——He should, but he ______ not.
A. must
B. can
C. need
D. may
You have already tried your best, so you ______ worry about the matter.
A. can't
B. needn't
C. mustn't
D. couldn't
The fire spread through the building very quickly but everyone ______ get out.
A. had to
B. would
C. could
D. was able to