问题
选择题
If you don' t know the word, please ______ in the dictionary. [ ]
A. look up it
B. look it up
C. look them up
D. look up
答案
答案：B
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If you don' t know the word, please ______ in the dictionary. [ ]
A. look up it
B. look it up
C. look them up
D. look up
答案：B