Martin Cooper , a US researcher , was considered _______ the

悲悯众生2022-10-04 11:39:541条回答


Martin Cooper , a US researcher , was considered _______ the first cell phone .
A.invented B.to invent C.having invented D.to have invented

已提交,审核后显示!提交回复

共1条回复
greatgold 共回答了14个问题 | 采纳率100%
D

考查非谓语动词。sb be considered to have done sth认为某人过去做过某事。句意:Martin Cooper,美国研究者,被认为第一个发明手机,
1年前

相关推荐