—Can I go to the park, Mum?—Certainly. But you ______ be back by six o’clock.
#76284
A
can
B
may
C
might
D
must
推荐题目
—Why can your neighbor know so much about London?—He ____ have been there before.
#63417
A
must
B
can
C
should
D
need
Tom would rather _________than _________.
#77217
A
stay at home , go out
B
to stay at home , to go out
C
to stay at home , go out
D
stay at home , to go out
---Listen! Someone is knocking at the door. Who _____it be?---It _____be Tom. He phoned to visit me this evening.
#76797
A
may; may
B
may; shouldn’t
C
must; can
D
can; may