A. for; to reach　　　　　　　　　　　　　　　　  B.for; got

C.to; to reach　　　　　　　　　　　　　　　　　　 D.get; get

The books about biology are all ________ that shelf .

1. A.
   in
2. B.
   at
3. C.
   under
4. D.
   on

There are ________ books on the shelf.

1. A.
   more than 200
2. B.
   200 more than
3. C.
   over 200
4. D.
   A and C

Hey, ________!The books on the shelf are falling．

1. A.
   look out
2. B.
   look up
3. C.
   look at
4. D.
   look for