问题
选择题
When you meet new words in reading, you needn’t in a dictionary at once.
A．look up them
B．look them up
C．look for them
D．look them for
答案
答案：B
题目分析：当你在阅读中遇到生词你不必马上在字典中查找他们。look up，查找，代词放中间。故选Ｂ。
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