问题
选择题
When the expression first came into being, people refused to use it but _____ they began to accept it. [ ]
A. usually
B. gradually
C. frequently
D. quickly
答案
答案：B
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When the expression first came into being, people refused to use it but _____ they began to accept it. [ ]
A. usually
B. gradually
C. frequently
D. quickly
答案：B