could you tell me____ yesterday?Because the traffic was bad.

问题描述:

could you tell me____ yesterday?Because the traffic was bad.
为什么?

why you were late
翻译:你能告诉我你昨天为什么迟到了吗?
因为交通堵塞.
回答说是because,所以问句肯定是问原因的,所以用why.交通堵塞才有可能迟到之类的啊,所以填这个.