单项选择题

It is imperative that the students ______ to hand in their papers on time.

A．told
B．be told
C．are told
D．have been told
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单项选择题
Rosamond felt unhappy without any ______ of his project at the meeting.
A．clue
B．hint
C．comment
D．mention
单项选择题
College students can easily ______ from one curriculum to another, from one institution to another, as suited to their needs.
A．move
B．transfer
C．transmute
D．travel
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