We all want to know _____ the famous wri
题型:选择题
问题:
We all want to know _____ the famous writer will come to our school or not. [ ]
A. if
B. that
C. whether
D. when
We all want to know _____ the famous writer will come to our school or not. [ ]
A. if
B. that
C. whether
D. when