—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
----Mum, ____ I watch TV now? ----No, you ____. You _____ finish your homework first.
#77312
A
may; can’t; must
B
can; can’t; may
C
must; needn’t; must
D
may; mustn’t; can
---Did you tell Julia about the result? ---Oh, no, I forgot . I _____ her now.
#63339
A
will be calling
B
will call
C
call
D
am to call