Tom was noticed __into that room at that time.a .walk b.walks c.walking d.walked

Tom was noticed __into that room at that time.a .walk b.walks c.walking d.walked
英语人气:489 ℃时间:2019-10-18 08:04:45
优质解答
C
notice sb doing sth改成被动.
notice sb do sth改成被动为sb be noticed to do sth.(即主动不加to的,改成被动需加to)
另外两个不与考虑.
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