购置电脑的总价一定,电脑单价和数量.______. 发布时间:2017-04-30 19:08 │ 来源:www.tikuol.com 题型:填空题 问题: 购置电脑的总价一定,电脑单价和数量.______.
题型:填空题 My sister met him at the Grand Theatre yesterday aftemoon , so he _____ your lecture. [ ]A. couldn't have attended B. needn't have attended C. mustn't have attended D. shouldn't have attended 查看答案