When you don't know a new word,you should___in the dictionaryA.look up it B.look it up C.look for it D.look it for

When you don't know a new word,you should___in the dictionaryA.look up it B.look it up C.look for it D.look it for
When you don't know a new word,you should___in the dictionary
A.look up it B.look it up C.look for it D.look it for

When you don't know a new word,you should___in the dictionaryA.look up it B.look it up C.look for it D.look it for
B look it up 查

When you don't know a new word,you should___in the dictionary
C.look for it

选B项，look up是查字典的意思，look for是查找。