6．　 The book was good? I read it?　

The book that I read was good?　

The book I read was good?

5．　 The taxi driver was friendly? He took me to the airport?　

The taxi driver who took me to the airport was friendly?

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?

7.　 Carmen likes musicians　 　　　　　　　　　　(能演奏不同种类的音乐的).

6.　 I love the houses　 　　　　　　　　　　(窗子面向大海的).

5.　 That’s the reason 　　　　　　　　　(她不喜欢他的).

4．This is the place 　　　　　　　　　　(我过去常常学习的).