The windows haven’t cleaned for a long time. They need ______. A．to clean B．to be cleaned C．cleaning...
2023-01-03 19:59:50 61次 陕西省20092010学年高一下学期期末考试试题（英语）语音知识 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The windows haven’t cleaned for a long
time. They need ______.
|
A．to clean
|
B．to be cleaned
|
C．cleaning
|
D．B and C
|
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