题目内容：
A、didn’t cleanB、hadn’t cleaned
C、don’t clean
D、haven’t cleaned
参考答案：
选择题：The house is dirty. We ()it for weeks.
- 题目分类：大连理工大学
- 题目类型：选择题
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I am very greatly to you for what you’ve given me and ()you have done for me.
I am very greatly to you for what you’ve given me and ()you have done for me.
Here() the bus
Here() the bus
We now have the() to save most of these children.
We now have the() to save most of these children.
－Why does he look so anxious －Because there are so many problems().
－Why does he look so anxious －Because there are so many problems().
It() as a shock to realize that I was not alone in the room.
It() as a shock to realize that I was not alone in the room.