The computer doesn’t work well and it requires _____ but the manager requires me

题干

The computer doesn’t work well and it requires _____ but the manager requires me _____ to use it.

A．to change; to continue	B．changing; continuing
C．changing; to continue	D．to change; continuing

上一题下一题 0.85难度单项选择更新时间:2010-11-17 02:15:41

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