( ) 15.I spent half an hour ___________ my homework .finish doing sth 完成做某事
( ) 15.I spent half an hour ___________ my homework .finish doing sth 完成做某事
A.finish doing B.to finish doing C.finishing to do D.finishing doing
人气：130 ℃ 时间：2019-08-18 01:58:12
解答
D.finishing doing
spend sometime doing sth
finish doing sth
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