I’m too busy my homework walk my dog every day.A. to do; toB. doing; toC. to do; /D. doi

问题补充：

I’m too busy my homework walk my dog every day.

A. to do; to

B. doing; to

C. to do; /

D. doing; /

答案：

A. to do; to

(答案→)B. doing; to

C. to do; /

D. doing; /

解析：本题的含义是我每天做我的作业太忙了，而没有时间带我的狗出去散步，too ……to表示太……而不能，be busy doing表示忙于做某事，故本题选B。