题目内容

John_______come to see us tonight, but he isn’t very sure yet.

A. may
B. can
C. has to
D. must

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Even the top student in our class can’t work out this problem, so it________ be very difficult.

A. may
B. must
C. can
D. need

John _________ (seem) to be very exhausted.

Ms. Lin __________ (teach) English in our college.

The man with big eyes_______ (be) a teacher.