题目内容
11．他一直在修自行车，忘了给你回电话．Hekept repairing the bike．He forgot to call you back．
分析 kept repairing．
解答 答案：kept repairing．结合后面的forgot是一般过去时，故用一般过去时，表示一直做某事用keep doing sth，修理repair，动名词是repairing，故答案是kept repairing．
点评 keep用法1．keep+形容词
2．keep+sth/sb+形容词
3．keep+doing 一直做某事
4．keep…from doing…阻止做某事．
5．keep a pet 饲养一个宠物
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