Question

—I don’t know the new word.
—It doesn’t matter, you can ________ in the dictionary

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

Answer 1

B
考查动词短语的辨析。look for的意思是“寻找”；look up的意思是“查字典”，跟代词时应该放在look与up的中间，句意“你可以在字典中查一下它”，因此，答案为B项。