—I wonder if your wife will go to the ball. —If your wife does so mine.A. isB. doC. does

问题补充：

—I wonder if your wife will go to the ball.

—If your wife does, so mine.

A. is

B. do

C. does

D. will

答案：

A. is

B. do

C. does

(答案→)D. will

解析：在条件状语从句中,用一般现在时表示将来的动作.