题目内容：

I think it great to see documentaries.A./;isn't B.don't;isn't C./;doesn't D.don't;is
1.I think it great to see documentaries.
A./;isn't B.don't;isn't C./;doesn't D.don't;is A还是D
2.but you wash your hands first
A.may B.must C.can D.need

优质解答

题中的空格呢

追问：

空了

追答：

1.宾语从句的主句谓语动词为think, believe, imagine, expect, suppose这种表示猜测的动词，如果动词后面从句是否定含义的，要把否定转移到主句I think。 选D 2. 但是你必须先洗手，根据题意判断选B