Arecomputersused________outdifficul

发布时间:2020-07-27 13:57:48

Are puters used ________ out difficult problems?A.to workingB.to workC.workingD.work

网友回答

B解析因为sth.be used to do表示“被用来做……”,而sb.be used to doing表示“某人习惯于做……”,所以正确
以上问题属网友观点,不代表本站立场,仅供参考!