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
Jack _____ to the manager for the mistakes he had made.
A．excused
B．pardoned
C．forgave
D．apologized
单项选择题
It is ______ of you to turn down the radio while your sister is still ill in bed.
A．considerable
B．considerate
C．concerned
D．careful
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