Your trousers____ dirty.You must have____ washed. A．is;il B．are;it C．are;them D．is;them
2023-02-01 18:23:53 167次 2010届三轮回扣语法专项训练（主谓语一致性） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Your trousers____ dirty.You must have____
washed.
|
A．is;il
|
B．are;it
|
C．are;them
|
D．is;them
|
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