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题目
题型:不详难度:来源:
Mr Chen told us that three fourths of the earth ________covered with water.
A.wereB.isC.wasD.are

答案
B
解析

试题分析:句意:陈老师告诉我们地球的四分之三都被水覆盖着。宾语从句中的事实为客观真理,所以时态用一般现在时,the earth做主语,后面的谓语动词用单数形式,故选B。
核心考点
试题【Mr Chen told us that three fourths of the earth ________covered with water.A.wer】;主要考察你对过去进行时等知识点的理解。[详细]
举一反三
—Our City Park     in 1998.
—Wow, it has the same age as me.
A.builtB.is builtC.has builtD.was built

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I went to Sanya with my family this summer and all of us _____ a good trip.
A.haveB.are havingC.will haveD.had

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We _____ more than 1,200 English words already, do you know?
A.learnB.will learnC.have learnedD.are learning

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By the time of last year, she ______ the piano for five years.
A.learntB.has learntC.had learntD.will learn

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Beijing ________ a lot over the years. Now it has become one of the biggest
______ in the world.
A.changes; citiesB.changed; city
C.has changed; citiesD.changed; cities

题型:不详难度:| 查看答案
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