问题
选择题
We all want to know _____ the famous writer will come to our school or not. [ ]
A. if
B. that
C. whether
D. when
答案
答案：C
搜题请搜索小程序“爱下问搜题”
We all want to know _____ the famous writer will come to our school or not. [ ]
A. if
B. that
C. whether
D. when
答案：C