题目内容
— Do you think the article is difficult?
— I think so. It took me a long time to _____ the new words in the dictionary.
— I think so. It took me a long time to _____ the new words in the dictionary.
[ ]
A. look at
B. look out
C. look for
D. look up
B. look out
C. look for
D. look up
D
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