精英家教网 > 初中英语 > 题目详情

【题目】The biggest blackout in American history began when the hydroelectric generator________.

A.was broke downB.was breaking downC.broke downD.was broken down

【答案】C

【解析】

句意:当水力发电机故障时,美国历史上最大的停电开始了。

本题考查动词短语。was breaking down是过去进行时;broke down是一般过去时;was broken down是一般过去时的被动形式。break down分解,出故障,没有被动形式,没有进行时,故选C

练习册系列答案
相关习题

科目:初中英语 来源: 题型:

【题目】(题文)(2017年山东泰安)With the development of science and technology, robot cooks ______ in our families in the future.

A. appear B. appeared C. will appear D. is appearing

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】—I feel tired these days.

— Why don’t you relax yourself ________taking a trip?

A.byB.inC.on

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】We can enjoy the books in the reading room, we can't take them out.

A. and B. but C. or D. so

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】______it is often cold in the mountains, you need to wear warm clothes.

A. Though B. Unless C. As D. Until

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】—________ do you live from your school?

—About 5 kilometres.

A.How longB.How farC.How awayD.What’s the distance

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】Sally and her friends ________ a football game from 7 to 9 last night.

A.were watchingB.watchC.watchedD.are watching

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】They arrived_______London_______the evening of July 3rd.

A.to; inB.in; in

C.in; onD.at; on

查看答案和解析>>

科目:初中英语 来源: 题型:

【题目】Mother told the girl to ________ her toys and clothes to keep her room clean.

A.put awayB.put outC.put upD.put in

查看答案和解析>>

同步练习册答案