问题
选择题
It's not highly recommended that a dictionary be at hand when English learners _____ some new words. [ ]
A. come out
B. come about
C. come along
D. come across
答案
答案：D
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It's not highly recommended that a dictionary be at hand when English learners _____ some new words. [ ]
A. come out
B. come about
C. come along
D. come across
答案：D