I would rather you did some reading while you are free but you A. don’tB. didn’tC. would

问题补充：

I would rather you did some reading while you are free, but you ．

A. don’t

B. didn’t

C. wouldn’t

D. weren’t

答案：

(答案→)A. don’t

B. didn’t

C. wouldn’t

D. weren’t

解析：would rather sb did something “宁愿某人（现在）做某事”所以此空针对现在情况叙述用助动词don’t。选A。