Itwasn’tuntil
问题详情:
It wasn’t until_______that_______to prepare their lessons.
A. did the teacher come in; the students began
B. the teacher came in; the students began
C. did the teacher come in; did the students begin
D. the teacher came in; did the students begin
【回答】
【解析】选B。考查含有not . . . until的强调结构。句意: 直到老师进来,学生们才开始准备功课。“It was not until . . . that . . . ”,主句和从句都用陈述语气。
知识点:一般过去时及其被动式
题型:选择题