题目内容
________ are my sisters.
- A.This
- B.That
- C.She
- D.These
D
系动词are要求主语为复数形式。四个选项中,只有D项中的these是复数形式。
系动词are要求主语为复数形式。四个选项中,只有D项中的these是复数形式。
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