题目内容
16.Chinese people keep pigs for food.But now some people keep them as pets.( )| A. | used to | B. | has to | C. | had better |
分析 中国人过去喂养猪作食物,但是现在一些人把它作宠物养.
解答 答案:A.used to过去常常;has to不得不;had better最好.根据But now some people keep them as pets,可知现在一些人把它作宠物养,but前后应该是转折的意思,所以前面应该是过去常常怎么样.used to过去常常.故选A.
点评 本题考查了情态动词的用法.解答时注意理解句意以及所给选项的意思并作出正确选择.
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