单项选择题

He ______ with Smith at least four times in the past three years.

A．has been seen to meet
B．was seen to meet
C．had been seen meeting
D．is seen meeting
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单项选择题
He hoped the firm would ______ him to the Paris branch.
A．exchange
B．transmit
C．transfer
D．remove
单项选择题
The patient's health failed to such an extent that he was put into ______ care.
A．tense
B．rigid
C．intensive
D．tight
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