导航：题目详情 | 答案解析 | 相关问题 | 最新问题 【C20】A．be servedB．servingC．serveD．have served 外语类 2017-08-30 22:00:57 已帮助 人 【C20】A．be servedB．servingC．serveD．have served请帮忙给出正确答案和分析，谢谢！ 热搜：a是b的充分条件,b是a的必要条件吗 答案解析 难度★★☆ 搜索 正确答案：A语法题。Need的用法为needdoing或needtobedone，空格前已有不定式标志to，故需填入beserved，答案为A。 相关问题 1、【C11】A．serveB．be servedC．servingD．being served 2017-08-18 2、Which of the following italicized parts serves as an appositive？A．Have you anything to dec 2017-09-07 3、Which of the following italicized parts serves as an appositive？A．I have one or two things 2017-09-08 4、According to the passage in an American steakhouse customers canA．have tasty steak serve 2017-11-29 5、According to the second e－mail where should lunch be served on Wednesday？A．In the seminar 2019-09-09 6、Where will dinner be served？A．In the main meeting room.B．In the Red River Room.C．In the Bl 2019-10-06
