Question

定语从句do you know the young man (_) is standing over there?---Yes,he is my friend,Jimmy.

do you know the young man (_) is standing over there?---Yes,he is my friend,Jimmy.
A.that B.which C.whom D.whose
2.Jack,there is someone in the office (_) would like to speak with you.
A .who B.which C.whom D./
3.the book (_) he bought yesterday is very interesting.
A./ B.why C.when D.what
4.Do you know the man (_) our teacher is talking to?
A.which B./ C.when D.whose

Answer 1

1. A 因为先行词是the young man是人，而且后面从句缺少的是主语，所以应该用that。  

    2. A  因为先行词someone也是人，同时后面定语从句缺少主语，所以应该用引导词who。

    3. A  因为先行词是book指物，同时后面从句中bought缺少宾语，所以把引导词省略了，所以选择A。

    4. B  因为先行词是the man是人，同时后面从句talk to缺少宾语，所以把引导词省略了。所以选择B。