问题
选择题
I often ________ the words I don't know in the dictionary or on the Internet.[ ]
A. look up
B. look at
C. look for
D. look into
答案
答案：A
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I often ________ the words I don't know in the dictionary or on the Internet.[ ]
A. look up
B. look at
C. look for
D. look into
答案：A