around the lab, we were taken to see the library.A．Being shownB．ShowingC．Hav

题型：不详难度：来源：

around the lab, we were taken to see the library.

A．Being shown

B．Showing

C．Having been shown

D．To show

答案

解析

考查非谓语动词用法。We 和show构成被动的关系，而且show around the lab是一个已经完成的动作，使用完成式的被动形式。句意：被带领着参观完实验室以后，我们被带着去参观图书馆。

举一反三

However, the eruption itself is really exciting and I shall never forget my first sight of one.

A．to watch

B．to be watched

C．watched

D．watching

题型：不详难度：| 查看答案

all day, I went to bed early.

A．Working hard

B．Worked hard

C．Having worked hard

D．To work hard

题型：不详难度：| 查看答案

As we drew closer, I could see a whale by a pack of about six other killers.

A．attacked

B．to be attacked

C．having been attacked

D．being attacked

题型：不详难度：| 查看答案

It rained heavily in the south，________ serious flooding in several provinces.

A．caused

B．having caused

C．causing

D．to cause

题型：不详难度：| 查看答案

We are invited to a party ________in our club next Friday.

A．to be held	B．held
C．being hold	D．holding

题型：不详难度：| 查看答案