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

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：你的奶奶怎么样了？她很好。她过去常在晚饭后在家看电视，但现在他习惯出去散步。used to过去常常，后接动词原形；be used to doing习惯于做某事，后接动词词，故选D.