问题
选择题
Secondly ,do not stop ________you come to a word or a phrase you do not know. [ ]
A. for the first time
B. because
C. every time
D. since
答案
答案：C
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Secondly ,do not stop ________you come to a word or a phrase you do not know. [ ]
A. for the first time
B. because
C. every time
D. since
答案：C