______hewillvisitourschoolornottomorrowisstillnotdecide...

问题详情：

______ he will visit our school or not tomorrow is still not decided yet. If he ______,David will show him around the school.

 A. If, will come        B. If, comes  

C. Whether, comes       D. Whether, come

【回答】

C

知识点：连词

题型：选择题