问题
选择题
Nobody knows Mr Green will come to visit us or not tomorrow.[ ]
A. whether
B. how
C. if
D. why
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Nobody knows Mr Green will come to visit us or not tomorrow.[ ]
A. whether
B. how
C. if
D. why
答案：A