— What will you do tomorrow?— We’ll have a picnic if it fine.A. isB. wasC. will beD. has

问题补充：

— What will you do tomorrow?

— We’ll have a picnic if it fine.

A. is

B. was

C. will be

D. has been

答案：

(答案→)A. is

B. was

C. will be

D. has been

解析：句意：你明天将要做什么？如果天气好，我们将去野餐。if引导的条件状语从句，主句用将来时，从句用一般现在时表将来。故选A.