问题
选择题
— Which is more useful, listening or speaking?
— I think _____ of them are useful. [ ]
A. none
B. both
C. all
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— Which is more useful, listening or speaking?
— I think _____ of them are useful. [ ]
A. none
B. both
C. all
答案：B