【題目】Something necessary ___________ to prevent the serious air pollution.

A.must doB.must be doneC.may doD.may be done

【答案】B

【解析】

句意:必須采取必要措施防止嚴重的空氣污染。

A. must do必須做;B. must be done必須被做;C. may do可能做;D. may be done可能被做。主語為Something與動詞do之間構成被動,排除A、C;再由the serious air pollution可知,是必須被做,故選B。

練習冊系列答案
相關習題

科目:初中英語 來源: 題型:

【題目】He play computer games, but he doesn’t do it now.

A.uses toB.is used toC.use toD.used to

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】 Today is Millie’s birthday. We share a big cake ___ her at her birthday party.

A.ofB.toC.withD.on

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】IamintroublemybestfriendLiLeialwayshelpsme

A.WheneverB.WhateverC.HoweverD.Never

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】

A.In a shop.B.At the restaurant.

C.In the park.D.On the plane.

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Uncle Peter took up French during his stay in Paris last year. Here the underlined part means ___________.

A.began to learnB.made progressC.studiedD.thought of

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】We can’t go fishing today it’s raining outside.

A.whenB.thoughC.becauseD.after

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】I prefer ______ a cheaper one of the two sweaters _____ some money for a dictionary.

A.to have ; to savingB.having ; to saving

C.to have ; to saveD.having , to save

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】We had to walk into the room ______ so as not to wake the others.

A.quicklyB.patientlyC.quietlyD.politely

查看答案和解析>>

同步練習冊答案