I won’t tell the student the answer to the math problem until he ________ on it

题型：不详难度：来源：

I won’t tell the student the answer to the math problem until he ________ on it for more than an hour.

A．has been working

B．will have worked

C．will have been working

D．had worked

答案

解析

略

举一反三

My uncle ____________ in Beijing for over 10 years. Now he lives in his hometown in Xuyi.

A．has worked

B．worded

C．had worked

D．works

题型：不详难度：| 查看答案

It is reported that a man more than 70 hours without water in the ruins after the Qinghai earthquake.

A．had survived

B．survives

C．survived

D．is surviving

题型：不详难度：| 查看答案

—How come you still work here? I hear your company has bought a new office building.
—But the newly-bought building_______ .

A．has decorated

B．is decorated

C．is being decorated

D．will be decorated

题型：不详难度：| 查看答案

．—Have you read the book Oliver Twist?
—Who_______it?

A．writes

B．wrote

C．has written

D．had written

题型：不详难度：| 查看答案

There aren’t many seats left for the play; you had better make sure that you two today.

A．get

B．will get

C．are getting

D．will have got

题型：不详难度：| 查看答案