1. 他经常迟到，这让他的老师很生气。

10. Such signs _____ we use in the experiment ______Greek letters.

　 A. as, are　　　 B. as, is 　　　C. that, are　　　 D. that, is

9. I bought some books from the bookstore, five ______were English novels.

A. of which　　　 B. which　　　　 C. that　　　　 D. in which

8. The teacher gave us so difficult a problem ___ we couldn't solve.

　　 The teacher gave us so difficult a problem ___ we couldn't solve it.

　　 A. as　　　　 B. that　　　　 C. which　　　 　D. the ones

7. This is the same pen ______I lost yesterday.

　　A. as　　　　 B. that　　　 C. the one　　 　D. A&B

6. Pisa is a city, ____ has a leaning tower.

　 Pisa is a city, ____ there is a leaning tower.

A. which　　　 B. that　　　 C. where　　　　 D. there

5. We do the same work _____ they do.

　 A. which　　　 B. as　　　　　 C. than　　　　 D. like

4. ______ has been said above, grammar is a set of dead rules.

　 A. Which　　 B. What　　　　 C. That　　　　 D. As

3. There are three libraries in our school, _______ were built five years ago.

A、all of them　　 B、either of them　　 C、all of which　 D、both of that

2. He often speaks the role he played in the play, _______ made others upset.

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