No one knows it will be fine tomorrow and we can play basketball together.A. whether; w

问题补充：

No one knows it will be fine tomorrow and we can play basketball together.

A. whether; whether

B. that; whether

C. whether; that

D. that; that

答案：

(答案→)A. whether; whether

B. that; whether

C. whether; that

D. that; that

解析：考查宾语从句：从句子成分看，从句不缺成分，可以用that或whether连接宾语从句，句意：没有人知道明天是否会好天，我们是否可以一起打篮球，所以用whether连接宾语从句。选A。