Because Robert was seen ____ the room, everyone thought he was the thief. A. to

题型：不详难度：来源：

Because Robert was seen ____ the room, everyone thought he was the thief.
A. to enter B. enter C. entered

答案

解析

试题分析: 句意：因为罗伯特被看到进了房间，所有人认为他是小偷。enter进入；was seen被动语态，后接不定式要加to,故选A.

举一反三

It’s important for us_____ in good health.

A．keep

B．keeping

C．to keep

D．kept

题型：不详难度：| 查看答案

----She looks tired.
----Yes, she _________ for about twelve hours a day.

A．works

B．working

C．work

D．is working

题型：不详难度：| 查看答案

The stones are so heavy. How _____ they _____ to the top of the building without modern machines?

A．do; lift

B．did; lift

C．were; lifted

D．were; lift

题型：不详难度：| 查看答案

-- I’m afraid I have to call your parents if your homework _______ before four o’clock today.
-- Sorry, Mr. King. I will do it right now.

A．doesn’t do

B．won’t do

C．isn’t done

D．won’t be done

题型：不详难度：| 查看答案

— What a nice watch it is!
— It"s my birthday present. It in America.

A．make	B．makes
C．is making	D．is made

题型：不详难度：| 查看答案