AfterBillyprovedthathecouldridea

发布时间：2020-07-27 15:57:53

After Billy proved that he could ride a bicycle safely, his father had to ________ to him and bought him one.A.give upB.give inC.agree onD.make a promise

网友回答

B
以上问题属网友观点，不代表本站立场，仅供参考！