题目内容

【题目】Although it was very cold outside,he kept on ________ his bike.
A.rides
B.ride
C.riding
D.to ride

【答案】C
【解析】句意:尽管外面很冷,他仍坚持骑自行车。keep on doing sth坚持做某事,故此处用动名词riding,故选C。

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