I want to know if your sister will go to the movie. — If your sister so 　.A. does; does

问题补充：

I want to know if your sister will go to the movie.

— If your sister , so .

A. does; does she

B. will; will she

C. does; will she

D. will; does she

答案：

A. does; does she

B. will; will she

(答案→)C. does; will she

D. will; does she

解析：句意：我想知道你的姐姐是否会来看电影。如果你的姐姐来，如果你姐姐来的话，她也会来。Does指代comes，在条件状语从句中用一般现在时表示将来；so will she意为“她也会来（看电影）的”；故选C。