If you don’t know how to read new words, them in a dictionary.
A. look, for
B. look, after
C. look, at
D. look, up
网友回答
A. look, for
B. look, after
C. look, at
(答案→)D. look, up
解析：句意：如果你不知道如何读新单词，就查阅字典。look up 查阅字典，look for寻找，look after照顾，look at 看一看，故选D