有一个英语对话--Why are you late,Jim?--Because there ------ a lot of cars on the road when I came here.A is B are C were D was

有一个英语对话--Why are you late,Jim?--Because there ------ a lot of cars on the road when I came here.A is B are C were D was
有一个英语对话
--Why are you late,Jim?
--Because there ------ a lot of cars on the road when I came here.
A is B are C were D was

有一个英语对话--Why are you late,Jim?--Because there ------ a lot of cars on the road when I came here.A is B are C were D was
a lot of cars为复数形式,排除AD,又表示过去的情况,所以选择C

C根据cars可知谓语动词用单数 而后面的时间状语从句是过去式因此为were

正确答案是c

时态判断为过去式。排除A跟B，选C。因为there be句型是就远原则。