问题
选择题
If there are new words in a song,you can in a dictionary. [ ]
A.look up them
B.look for them
C.look up
D.look them up
答案
答案：D
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If there are new words in a song,you can in a dictionary. [ ]
A.look up them
B.look for them
C.look up
D.look them up
答案：D