单项选择题

It is essential that your application form______back before the deadline.

A．be sent
B．sent
C．send
D．must be sent
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单项选择题
Jim ought not to______me your secret, but he meant no harm.
A．have told
B．tell
C．having told
D．been told
单项选择题
Will you please______this report to see if there is any misprint
A．look up
B．look at
C．go over
D．go through
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