【题目】It was back home after the experiment.
A. not until midnight did he go B. until midnight that he didn’t go
C. not until midnight that he went D. until midnight when he didn’t go
在线课程【答案】C
【解析】考查not until的强调句。 not until的强调句必须写成it was/is not until +陈述语序。所以排除A,B,D, “直到半夜实验后他才回家。”