Many trees and flowers _________ in our city every year.

A. planted B. are planted C. were planted D. plants

B 【解析】句意：在我们城市每年都种许多树和花。该句的主语是Many trees and flowers和plant之间是被动关系，故用被动语态，被动语态由be+动词过去分词构成，故排除A、D选项；又因every year（每年）是一般现在时的时间状语，主语为复数所以be动词应用are，排除C选项，plant的过去分词为planted，故答案选B。

课堂练习：根据要求改写句子

1.The headmaster praised Ben for his honesty.(改为被动语态）

Ben _________ _________ for his honesty _________ the headmaster.

2.Mother will buy Jack a new shirt.(改为被动语态）

A new shirt ___________ ___________ ___________ Jack by Mother.

3.You had better take the wounded soldiers to hospital at once.(改为被动语态）

The wounded soldiers had better ___________ ___________ to hospital at once.

4.The adults tell the children not to swim in that deep river.(改为被动语态）

The children ___________ ___________ not to swim in that deep river.

5.Can some aged Chinese understand Russian?(改为被动语态）

Can ___________ ___________ ___________ by some aged Chinese?

6.The boss made the employees work ten hours a day.(改为被动语态）

The employees were made ___________ ___________ ten hours a day.

7.The Spring Festival is welcomed by the Chinese all over the world.(改为主动语态)

The Chinese all over the world ___________ the Spring Festival.

8.The price of meat has risen from ten yuan to fifteen yuan recently.(保持原句意思)

The price of meat ___________ ___________ ___________ from ten yuan to fifteen yuan recently.

9.The firemen are using long ladders for rescuing people in tall buildings.(改为被动语态)

Long ladders ___________ ___________ ___________ for rescuing people in tall buildings by the firemen.

10.Who looks after the children in the kindergarten?(改为被动语态）

By ___________ ___________ the children ___________ after in the kindergarten?.

1. was praised by 2. will be bought 3. be taken 4. are told 5. Russian be understood 6. to work 7. welcome 8. has been raised 9. are being used 10. whom are looked 【解析】 ...

Nothing can the girl from there.

A. be stopped; going B. prevent; going

C. stop; to go D. prevent; to go

B 【解析】句意：没有什么能阻止这个女孩去那里。本题考查固定搭配。prevent/stop/keep sb from doing sth是固定词组，意为“阻止某人做某事”，can为情态动词，后面用动词原形，结合选项，可知B选项符合题意，故答案选B。

Although you have lots of difficulties, you must ______your work.

A. carry out with B. carry away on C. carry on with D. carry over

C 【解析】carry on 表示继续的意思，符合题意，故选C

--It’s kind him to help me solve the problem.

--Yes, he is always kind everybody.

A. of; of B. of; to C. to: of D. to; to

B 【解析】句意：——他真是太好了帮我解决了这个问题。——是的，他对每个人都很好。第一个空，根据句型it is+形容词+of sb to do sth对某人来说，做某事是…第二个空，be kind to sb对某人友好；故答案选B。

Students not to use mobile phones in o it school now.

A. ask B. asked C. ar a asked D. were asked

C 【解析】 句意：我们学校要求学生现在不要使用手机。根据Students not to use mobile phones in our school now.可知Students和ask构成被动关系，应用被动语态；根据我们学校要求学生现在不要使用手机，可知这是一条校规，应该用一般现在时态；一般现在时的被动语态构成为：助动词be+及物动词过去分词，主语是复数所以be动词用are，as...

World Earth Day in 1970 to tell us to protect our planet.

A. sets up B. set up

C. is set up D. was set up

D 【解析】句意：1970年设立的世界地球日是为了告诉我们要保护地球。根据时间状语in 1970可知时态用于一般过去时态；主语World Earth Day是动词set up“成立”的承受者，所以应用被动语态；一般过去时的被动语态构成为：was/were+动词过去分词，主语是单数，所以助动词be用was，set的过去分词是set；故答案选D。

The terrorists（恐怖分子）in Xinjiang ______ last month.

A. are caught B. was caught

C. were caught D. is caught

C 【解析】 试题句意：上个月，这些新疆的恐怖分子被捕了。考查被动词态的用法，构成be+done（动词的过去分词），从时间状语last month，体现为一般过去时的被动语态。构成 was /were done(动词的过去分词)。故选C

The doctor has operated the weak soldier carefully for about 10 hours.

A. to B. for C. with D. on

D 【解析】句意：医生给这个虚弱的士兵做了大约10个小时的手术。本题考查固定搭配。operate on sb.固定搭配，意思是“给某人做手术”，故答案选D。

(2012●淮安市) Last March, many trees ________ along the streets to make our city more beautiful.

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

A 【解析】试题句意：上个月三月份，为了使我们的城市变得更加漂亮，沿街种植了很多树。根据时间状语last March可知这里应该用一般过去时，故排除B、C；句子的主语trees与plant之间是被动语态，故选A。