问题

The students ______ the classroom, so it’s tidy and clean now.

A:Clean
B:have cleaned
C:will clean
D:cleans;

正确答案是：

同类题型

单词辨音。选出划线部分发音不同的那个单词。1.

He reminded me of what I should ______ haveforgotten

I would appreciate________, to be frank, if the goods could be delivered as soon as possible.[ ]

It was such a ______ to have spent a day withthe local family.

37 As your spoken English gets better, _______ your written English