练习题

　　1. My bike is missing. I can’t find ____ anywhere.

　　A. oneB. onesC. itD. that

　　2. ---- Who’s that?---- ____ Professor Li.

　　A. That’sB. It’sC. He’sD. This’s

　　3. ---- Have you ever seen a whale alive?---- Yes, I’ve seen ____.

　　A. that B. itC. suchD. one

　　4. The color of my coat is different from ____ of yours.

　　A. thisB. thatC. itD. one

　　5. ____ will do you good to do some exercise every morning.

　　A. ItB. ThereC. ThoseD. You

　　6. We think ____ our duty to pay taxes to our government.

　　A. thatB. thisC. itsD. it

　　7. The climate of Shanghai is better than ____ of Nanjing.

　　A. thatB. itC. whichD. what

　　8. ____ four years since I joined the Army.

　　A. There wasB. There isC. It wasD. It has been

　　9. How long ____ to finish the work?

　　A. you’ll takeB. you’ll take itC. will it take youD. will take you

　　10. Mary speaks in a low voice; ____ is difficult to know what she is saying.

　　A. itB. thatC. soD. she

　　11. So ____ that no fish can live in it.

　　A. shallow is the lake B. the lake is shallow

　　C. shallow the lake is D. is the lake shallow

　　KEY:

　　1-5 CBDBA 6-11 DADC A