问题
选择题
It is important for us ______ English well. [ ]
A. learn
B. learned
C. to learn
D. to learning
答案
答案：C
搜题请搜索小程序“爱下问搜题”
It is important for us ______ English well. [ ]
A. learn
B. learned
C. to learn
D. to learning
答案：C
