Your trousers dirty, so you must have washed. A. is; it B. are; it C. are; them
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Yourtrousers________________dirty, so you must have________________washed.
A. is; it B. are; it C. are;them D.is; them
试题答案
答案:C
提示:| 考查主谓一致和代词的指代情况。
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