---- Why does the river smell terrible? ---- Because large quantities of water_

题型：不详难度：来源：

---- Why does the river smell terrible?
---- Because large quantities of water______．

A．have been polluted

B．has polluted

C．has been polluted

D．have polluted

答案

解析

试题分析：考查动词的时态与语态。句意为什么这条河流的味道那么难闻？因为大量的水被污染掉了。Large quantities of +名词做主语是谓语动词用复数形式，水与污染之间是被动关系，结合以上两点，故选A项。
考点 : 考查动词的时态与语态

举一反三

I am disappointed because I ________my favourite writer yet.

A．didn’t see

B．haven’t seen

C．don’t see

D．have not been seeing

题型：不详难度：| 查看答案

----Why didn’t you apply for the job?
----I ________, but my old friend offered me a better one.

A．was going to

B．would

C．will

D．am going to

题型：不详难度：| 查看答案

Don’t call him at this time tomorrow, because he ________ a meeting with his teachers.

A．is having

B．is going to have

C．will be having

D．has been having

题型：不详难度：| 查看答案

He ________ two tickets for us before he arrived at the entrance of the cinema.

A．had reserved	B．has reserved
C．was reserving	D．has been reserving

题型：不详难度：| 查看答案

—What’s the noise? —Oh, I forget to tell you. The new machine .

A．has been tested

B．is tested

C．will be tested

D．is being tested

题型：不详难度：| 查看答案