题目内容
13.He ______ go out with his parents,but now he ______ staying at home alone.( )A. | used to; is used to | B. | is used to; used to | ||
C. | use to; is used to |
分析 句意:他过去常常和他的父母一起出去,但是现在他习惯了独自呆在家里面.
解答 答案:A.be used to(doing) sth习惯于某事;used to do sth过去常常做某事.sth be used to do sth某物被用来做某事.根据He __ go out with his parents,but now he __staying at home alone,过去常常和父母一起出去,过去常常做某事用used to,但是现在习惯了独自呆在家里面,习惯做某事用be used to doing sth,这里是第三人称单数he,所以be动词用is.故选A.
点评 本题考查了动词短语的辨析.used to的用法比较固定,需要注意的是used to do表示过去常常做某事,be used to表示习惯于某事.前者to是不定式符号,后接动词原形.后者to是介词,后接名词或者名词性短语.Used to do结构中use相当于行为动词,有词形变化.Be used to中used相当于形容词,无词形变化.
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