"If you don't know the word,you may look it ________ in the dictionary."

"If you don't know the word,you may look it ________ in the dictionary."
A.for
B.up
C.after
D.at
英语人气:897 ℃时间:2019-10-10 03:32:25
优质解答
答案B
字典用look up.
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