问题
选择题
If you don't know how to pronounce new words, ________in a dictionary. [ ]
A. look them up
B. look they up
C. look up them
D. look up they
答案
答案：A
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If you don't know how to pronounce new words, ________in a dictionary. [ ]
A. look them up
B. look they up
C. look up them
D. look up they
答案：A