4．　 We are studying sentences? They contain adjective dause?　

We are studying sentences that (which) contain adjective dause?

3．　 The students are from China? They sit in the front row?　

The students who sit in the front row are from China?

(要注意的是先行词是 students 则 who 的数也应看作复数。)

2．　 The girl is happy? She won the race?　

The girl who won the race is happy?

1．　 I saw the man.? He closed the door?　

I saw the man who (that) closed the door?

30. His book is not the only thing _______ has been stolen.

　　　 A. that　　　　　　　　　　　　 B. / 　　　　　　　　　　　　　　　　　 C. which　　　　　　　　　　　 D. who

29. The doctor ________ we met at the gate works in the nearby hospital.

　　　 A. /　　　　　　　　　　　　　　　 B. who　　　　　　　　　　　　 C. which　　　　　　　　　　　 D. he

28. That is the reason ________ he didn't come to your birthday.

　　　 A. why　　　　　　　　　　　　 B. that　　　　　　　　　　　　　 C. which　　　　　　　　　　　 D. when

27. I'll never forget the day ________ I joined the army.

　　　 A. where　　　　　　　　　　　 B. when　　　　　　　　　　　 C. why　　　　　　　　　　　　 D. that

26. I'll give you ______ he gave me last week.

　　　 A. all which　　　　　　　　　 B. all what　　　　　　　　　　 C. that all　　　　　　　　　　　　　　 D. all

25. Is _______ some foreigners visited last week?

　　　 A. this factory　　　　　　　 B. this the factory　　　　　 C. this factory one　 D. the factory where