—________ I swim here?—I’m sorry. Children _______ swim alone here.
#76532
A
Must , can’t
B
May , must
C
Can, mustn’t
D
Can’t can
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—Look at the boy running on the ground. Is it David?—It be him. I saw him go to the teacher’s office just now.
#75318
A
must
B
mustn’t
C
can’t
D
might
I’m sorry，boy ,you __________see this film. It is for adults only.
#63579
A
ought to
B
can’t
C
won’t
D
don’t
We _______ the difficulty together, but why didn’t you tell me?
#62911
A
should face
B
might face
C
could have faced
D
may have faced
Harry is feeling uncomfortable.He________too much at the party last night.
#62301
A
could drink
B
should drink
C
would have drunk
D
must have drunk
You'd better not ride the bicycle on snowy days; you ______ fall．
#62235
A
must
B
might
C
have to
D
ought to