The question we will hold the sports-meet next Sunday will be decided very soon.A. thatB.

问题补充：

The question we will hold the sports-meet next Sunday will be decided very soon.

A. that

B. whether

C. if

D. why

答案：

A. that

(答案→)B. whether

C. if

D. why

解析：引导主语从句、表语从句和同位语从句时用whether而不用if。