Every one of us should keep the classroom___every day.
A.clean b.cleaned c.cleaning d.to clean
为什么不是C?Keep doing=一直保持在某个状态
人气：192 ℃ 时间：2020-01-29 10:30:41
解答
A.clean
这里clean是干净的意思.keep sth +形容词 keep sb.+doing
keep the door open/ closed keep me waiting keep the students cleaning the classroom.
推荐
猜你喜欢
