练习题 Ihavecomeup agoodidea. A.on B.at ... 来源:语文精选馆 1.95W 问题详情: I have come up a good idea. A. on B. at C. with D. at【回答】C知识点:动词和动词短语题型:选择题 Ihavecomeup AGoodidea Aon bat