The computer looks old, but it _________ just half a year ago. A．has been bought

题型：不详难度：来源：

The computer looks old, but it _________ just half a year ago.

A．has been bought

B．was bought

C．is bought

D．will be bought

答案

解析

考查时态。句意：这台电脑看起来旧了，但是它只半年前买的。结合语境可知下文描述的是过去的动作，故用过去时态，选B。

举一反三

The number of foreign students attending Chinese universities____rising steadily since 1997.

A．is

B．are

C．has been

D．have been

题型：不详难度：| 查看答案

I didn’t know this years ago ,but recent science ____that inharmonic marital(婚姻的) life like quarrels or fights harms one’ heart.

A．showed

B． is showing

C．has shown

D．shows

题型：不详难度：| 查看答案

The door ．Better have it repaired．

A．won’t shut

B．hasn’t been shut

C．won’t be shut

D．isn’t shut

题型：不详难度：| 查看答案

My headache is killing me．I it away．But now it’s getting worse and worse．

A．think; is going	B．thought; was going
C．have thought; is going	D．had thought; was going

题型：不详难度：| 查看答案

My classmate Andrew went to Vancouver , Canada in 2005 , and_____since .

A．has not heard of	B．had not heard of
C．has not been heard of	D．had not been heard of

题型：不详难度：| 查看答案