When I got to the company, the meeting__________ for five minutes.

A．had begun

B．has been on

C．has begun

D．had been on

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参考答案

【译文】当我到公司的时候，会议已经开始了5分钟。
【考点】动词时态
【解析】会议开始了五分钟，for five minutes为一段时间，要求谓语动词要用延续性动词，故A和C先排除；而从句的动作发生在主句动作之后，故用过去完成时态。

1 --I wonder why Mr. Brown hasn' t showed up at the meeting yet.
--I' m not sure, but he__________ in a traffic jam driving here.

A．could be stuck

B．,might stuck

C．might have been stuck

D．must have stuck

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2 With the development of the Internet, people' s life __________ in the past few years.

A．is improved

B．has been improved

C．is improving

D．had been improved

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3 Mary is always ready to help others when they are in trouble and she never__________ their requests.

A．turns up

B．turns over

C．turns in

D．turns down

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