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. frequently
C. gradually
D. unwillingly
答案
答案：C
搜题请搜索小程序“爱下问搜题”
When the expression first came into being, people refused to use it but _____ they began to accept it. [ ]
A. usually
B. frequently
C. gradually
D. unwillingly
答案：C