—How is your grandma?—She’s fine. She used to TV at home after supper. But now she is used

问题补充：

—How is your grandma?

—She’s fine. She used to TV at home after supper. But now she is used to out for a walk.

A. watch; go

B. watching; go

C. watching; going

D. watch; going

答案：

A. watch; go

B. watching; go

C. watching; going

(答案→)D. watch; going

解析：句意：您奶奶还好吗？她很好。她过去常常吃完晚饭后看电视。但是现在她习惯于出去散步了。Used to do意为“过去常常做某事现在已经不做了”；be used to doing意为“习惯于做某事”；故选D。