The teacher told us that the earth around the sun．( )A．travelsB．traveledC．had traveledD．is traveling 题目和参考答案——青夏教育精英家教网—

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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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