问题
选择题
It is not easy to learn English well , but if you hang , you will succeed in the end .
A．up
B．about
C．on
D．down
答案
答案：C
搜题请搜索小程序“爱下问搜题”
It is not easy to learn English well , but if you hang , you will succeed in the end .
A．up
B．about
C．on
D．down
答案：C