题目内容
【题目】—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】D
【解析】句意：－你奶奶怎样？－她好。她过去常常在晚饭后看电视，但是现在她习惯于出去散步了。过去常常做某事：used to+动词原形；习惯于做某事：be used to doing sth。故选D.
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