--How did he get infected? --She ____the viruses without any protection.A．expose

题型：不详难度：来源：

--How did he get infected?
--She ____the viruses without any protection.

A．exposed to

B．had exposed to

C．was exposed to

D．had been exposed

答案

解析

试题分析：考查时态和语态。根据句意，表被动，排除A，B。根据上下文可知，是陈述过去的一个事实，故使用一般过去时。句意：——他是怎样感染的？——在没有任何保护的情况下面临病毒感染。
点评：时态和语态经常结合一起来考，要注意综合考虑。

举一反三

---I’ve heard you ___ here. What is it like？
---Very hard. But as long as the pay covers the expenses for my next school term, It’s ok.

A．work

B．have worked

C．are working

D．will work

题型：不详难度：| 查看答案

Recently, I ___ my first horse ride in Lijiang, Yunnan Province __ I paid a visit to many local attractions

A．have had ; before	B．had ;when
C．had had; in which	D．was having; which

题型：不详难度：| 查看答案

My father _____ away for two months．I want to do something special for him when he comes back next week．

A．will be

B．has been

C．was

D．had been

题型：不详难度：| 查看答案

—How was the journey?
—Tiring! I caught the train at the last second but all the seats _____．I stood all the way．

A．would occupy	B．had occupied
C．had been occupied	D．would be occupied

题型：不详难度：| 查看答案

—Remember how we met for the first time, Dick?
—Of course I do. You _______ to the teachers" office hurriedly and _________ me.

A．had walked; weren"t noticing	B．were walking; didn"t notice
C．had been walking; noticed	D．walked; had noticed

题型：不详难度：| 查看答案