Jack could have avoided that terrible car accident, but he ________ careful enou

题型：不详难度：来源：

Jack could have avoided that terrible car accident, but he ________ careful enough.

A．is not

B．was not

C．hasn’t been

D．hadn’t been

答案

解析

考查时态。根据could have avoided可知本句是对过去所发生情况的虚拟，but后面使用陈述语气，所以使用过去时。句意：Jack本可以避免那可怕的事故，但是他不够小心。

举一反三

Until we have discussed all the details, no decision _______ about any new operations.

A．will be made

B．is made

C．is being made

D．has been made

题型：不详难度：| 查看答案

These days, we _____ for our final exams.

A．are prepared	B．have prepared
C．are preparing	D．will prepare

题型：不详难度：| 查看答案

Many a student _____ going to attend the meeting tomorrow.

A．is

B．was

C．are

D．were

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--- May I speak to your manager Mr. Williams at five o’clock tonight?
--- I’m sorry. Mr. Williams to a conference long before then.

A．will have gone

B．had gone

C．would have gone

D．has gone

题型：不详难度：| 查看答案

—Now where was I ?
---You _____me about your travels in Canada.

A．told

B．were telling

C．have told

D．will tell

题型：不详难度：| 查看答案