What is the cloth useful——?---We can use it ——the dirty floor.A.to:clean B.for:to clean C.for:cleans D.to：cleaning
选哪个?能说明每个空的原因吗,好的加多多多多分!
人气：229 ℃ 时间：2020-09-08 08:00:35
解答
B be useful for 对...有用处
use...to do...用.去做...
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