问题
选择题
I'm not sure _____ my uncle will come tomorrow. [ ]
A. weather
B. whether
C. that
D. what
答案
答案：B
搜题请搜索小程序“爱下问搜题”
I'm not sure _____ my uncle will come tomorrow. [ ]
A. weather
B. whether
C. that
D. what
答案：B