You can look up(查)the word in the ________．

1. A.
   pencil case
2. B.
   backpack
3. C.
   school
4. D.
   dictionary

If you don't know the word “Midday”, you can ________ in the dictionary.

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

If you don't know the word, you can look it up ________ the dictionary.

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

If you don’t know the word，you can ___________ in a dictionary．

　　　 A．look it up　 B．look for it　 C．look at　 D．look over it