Whatareyoudoing_____vacation?[ ] A.for B 发布时间:2017-06-16 19:18 │ 来源:www.tikuol.com 题型:选择题 问题: What are you doing _____ vacation?[ ]A. for B. to C. with D. in
题型:选择题 Mark needs to learn Chinese ______ his company is opening a branch in Beijing. A.unlessB.untilC.althoughD.since 查看答案