题目内容
13.The teacher told us that the earth _____ around the sun.( )A. | travels | B. | traveled | C. | had traveled | D. | is traveling |
分析 老师告诉我们地球绕着太阳转.
解答 答案是A.本题考查宾语从句中的时态;主句动词是过去时,宾语从句中的动词也往往用与过去相关的时态,但是如果从句说明的是客观真理、自然规律时,仍然必须用一般现在时,故选A.
点评 对时态的选择,要在把握时态的基本用法的基础上,根据具体语境和题干中的时间推断时态,同时关注特殊的结构.
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