—Mary what about going boating if it fine tomorrow?—Good idea!A. isB. will beC. wasD. wi

问题补充：

—Mary, what about going boating if it fine tomorrow?

—Good idea!

A. is

B. will be

C. was

D. will

答案：

(答案→)A. is

B. will be

C. was

D. will

解析：此题考查if引导的条件状语从句，从句用一般现在时，主句用一般将来时。