—We are worried about Tom. Why hasn’t he come back?—Don’t worry. He ______ in a traffic jam.
#62725
A
might be caught
B
may have been caught
C
can have been caught
D
should have been caught
推荐题目
---There is somebody knocking at the door. Who________ it be?---I’m not sure. It ________ be a postman.
#75825
A
may; must
B
will; can
C
can; may
D
may; will
—Could I invite my friends to my birthday party?—Sorry, you ______.
#75471
A
can
B
can’t
C
could
D
couldn’t
---Can people drive after drinking a glass of beer?---No. According to the law they _________.
#74316
A
mustn’t
B
can’t
C
needn’t
D
shouldn’t
— Must we wear our school uniform this afternoon?— No, you. All of us will go on an outing.
#75739
A
mustn't
B
can't
C
needn't
D
couldn't