He demanded that we explain what was happening,________?为什么不是He d_英语解答

He demanded that we explain what was happening,________?
为什么不是
He demanded that we explained what had been happening,---?

人气：405 ℃　时间：2020-03-22 13:50:30

解答

what was happening　表示　过去发生了什么,是客观陈述过去发生的事情,had　been是完成时态,在这里不适用