用所给词适当形式填空I got up quickly when the alarm clock____(go off).
用所给词适当形式填空
I got up quickly when the alarm clock____(go off).
my mother____(cook)when I got home.
两个句子有什么区别?为什么第一个填 went off 第二个填was cooking
不都是一个句型吗?- -:
还有 this morning he____(oversleep),because he ____(stay up studying).这两个个要填过去式 ,为什么第一个不能是现在时?