1. As the matter is ________ discussion, I can’t give you a definite (明确的) answer.

9.　　　 I bought the same book _________ you bought yesterday.

8.　　　 I’d like a car ________ front lights are big and round.

7.　　　 This is the first place _______ I have ever visited in Beijing.

6.　　　 Is this the theater _________ we saw the opera last year?

5.　　　 The railway tunnel (隧道), ________ _________ the train goes, will be completed soon.

4.　　　 Next month, _______ you’ll spend in your hometown, is coming.

3.　　　 His dog became very sick, __________ made him worried.

2.　　　 She is very good at dance, _______ everybody knows.

1.　　　 Catherine, ______ is your best friend, will try her best to help you out.