There was a second knock at the poor.It was the second time l( ) that afternoon
问题描述:
There was a second knock at the poor.It was the second time l( ) that afternoon
A was interrupted b was interrupting c had interrupted d has been interrupted选哪个
答
d has been interrupted 因为the second time 所以用完成时,又因为是他被打扰的所以用被动