题目内容
As they get older, they continue the hobby.
A.do | B.doing | C.did | D.are doing |
B
continue是谓语动词,其后不可能跟do、did或are doing,故选B。continue doing sth.是固定搭配“继续做某事”。
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题目内容
A.do | B.doing | C.did | D.are doing |