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。?