Question

She is waiting for the doctor ______ I know will not come.A. whom B. who C. Which D. that

Answer 1

答案：B

分析：1.此句为定语从句，先行词为doctor，表示人，所以首先淘汰C，C指代物。

2.分析定语从句成分：I know 可以理解为插入语，先行词在从句中充当主语，

谓语是will not come。淘汰A，A只能做宾语。

3.定语从句中有插入语时, 且先行词为人时只能用who。淘汰D

Answer 2

A. whom