早教吧 育儿知识 作业答案 考试题库 百科 知识分享

Has he ____(wait) for an hour yet?

题目详情
Has he ____(wait) for an hour yet?
▼优质解答
答案和解析
Has he _been waiting___(wait) for an hour yet.
现在完成进行时,表示动作一直持续到说话时.强调动作的持续性.