单项选择题—You haven't been to Beijing, have you — ______. And how I wish to go there again!
单项选择题According to the United States Constitution, the legislative power is invested in ______.
单项选择题“道之所存,师之所存也”,这体现了教师的( )。
单项选择题()是英语课程的出发点和归宿。
A.知识的传授 B.学生的发展 C.语言的运用 D.习惯的养成
单项选择题You () the project by now.
A. are supposed to finish B. supposed to finish C. are supposed finishing D. are supposed to have finished