My sister _______ a small mouth.A. is B. 发布时间:2017-04-18 21:01 │ 来源:www.tikuol.com 题型:选择题 问题: My sister _______ a small mouth.A. is B. are C. have D. has
题型:选择题 The typical firewall consists of two packet filters and a (an)A. routerB. bridgeC. applicationD. server 查看答案