题目内容
The letter is from my sister, ______is working in Beijing.
A. which B. that C. whom D. who
D
解析:
who引导非限制性定语从句,who作从句的主语.
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题目内容
The letter is from my sister, ______is working in Beijing.
A. which B. that C. whom D. who
D
who引导非限制性定语从句,who作从句的主语.