题目内容
7.Everyone knows that the earth-------around the sun.( )| A. | moves | B. | was moving | C. | moved | D. | is moved |
分析 人人都知道地球围绕着太阳运行.
解答 答案:A.
设空处所在的句子是宾语从句,根据语境推测句意是"人人都知道地球围绕着太阳运行.",由于宾语从句表述的是自然现象,所以用一般现在时,一般现在时的构成是:主语+动词原形/动词的第三人称单数形式;主语the earth是第三人称单数,所以动词用第三人称单数形式;故选A.
点评 本题考查了动词的时态.做题时,一定要特别关注有关的时间短语,这是判断句子时态的标志.在没有时间状语的情况下可以根据从句的类型来做出正确判断.
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