( ) ①Bell ________the telephone in 1876.

( ) ② Columbus ____America in 1492.

A. invent B. discover C. invented D. discovered

【2012昭通】The light bulb is one of the most useful _____________(invent) in the world.

【2013江苏盐城】65. What do you think is the greatest ______ (invent) of the twentieth century?

20. After hard training for a long time, Liu Xiang ____the records again.

A. broke B. achieved C. invented D. completed

【模拟A】 I think the telephone was invented in 1876.

A. created B. found C. seen D. used

【2013陕西】7. The mobile phone has influenced people's life a lot since it _________.

A. invents B. invented C. is invented D. was invented

discover/ invent/ find / find out

【解析2】一般过去时的被动语态

I.【定义】表示过去某一时间的被动动作或过去经常性、习惯性的被动动作，无需说明动作

执行者时可省去"by + 动作执行者"。

II.【结构】 一般过去时的被动语态：

【肯定结构】 主语 + was / were + 及物动词的过去分词 + by + 动作执行者

The teaching building was built six years ago. 这座教学楼建于六年前。

( ) Many trees and flowers ___________ in our school last year.

A. plant B. planted C. have planted D. were planted

【注】was, were的使用由主语的单复数形式而定，主语为第三人称单数名词、代词

或I时用was, 主语为复数名词、代词they或you时用were。

This bridge was built in October last year. 这座桥是去年十月份建的。

【否定形式】：主语+was / were + not + 动词的过去分词

The window was not broken by him. 窗玻璃不是他打碎的。

【疑问形式】：was /were +主语+动词的过去分词

【注】一般疑问句通常把was / were置于主语前。

特殊疑问句形式应将一般疑问句置于特殊疑问词后面，

反意疑问句形式应保留was / were。

Was your homework finished in time yesterday evening? 昨天晚上你及时完成家庭作业了吗？

Where were those buses made? 那些公共汽车是哪里制造的？

III.一般过去时的被动语态疑问句的回答方法

(1)一般疑问句形式肯定回答用"Yes, ... was / were."，

否定回答用"No, ... wasn't / weren't.";

(2)特殊疑问句应抓住特殊疑问词进行回答，可用简略方法，也可用完整方法;

(3) 反意疑问句也应用"Yes, ... was / were."或"No, ... wasn't / weren't."进行回答。

-Was your office cleaned yesterday afternoon? 你的办公室昨天下午打扫了吗？

-Yes, it was. / No, it wasn't. 是的，打扫了。/ 不，没有打扫。

-Where was the party held last Sunday? 上周日聚会在哪儿举行的？

-At home. / It was held at home. 在家里。/ 在家里举行的。

-Your debt was paid off at last, wasn't it? 你所欠的债最终被还清了，是吗？

-Yes, it was. / No, it wasn't. 是的，被还清了。/ 不，没有被还清。

【2014淮安1】Last March, many trees ___ along the streets to make our city more beautiful.

A. were planted B. were planting C. had planted D. planted

【2014盐城2】Shenzhou X, China's fifth manned spacecraft, ____into space on June 11. 2013.

A. has sent B. was sent C. will send D. is sent

【2014贵州安顺】-Wow! You have a ticket to the Expo!

-lt by my uncle. He is working in Shanghai.

A. has bought B. had bought C. is bought D. was bought