——Where is Alice?——I think she is in the dormitory.I saw her __
接着 ：(pass) our classroom just now .
② We must keep the classroom ____ (clean).Because we're going to have an English party tomorrow.
都是根据 适当形式填空
其实挺简单的
就是忘了知识点 不知到底是 see sb to do sth还是see sb do sth ② keep sth clean 还是keep sth to clean还是 keep sth cleaning
人气：124 ℃ 时间：2019-10-30 04:36:27
解答
pass clean see sb.do sth.表示看见某人做过某事,没有to do的用法,还有doing,意为看见某人正在做某事 clean在这里是形容词,而不是动词,所以要用形容词形试clean,没有keep sth to clean的说法,keep sth cleaning也没有这一说
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