问题描述：
这句英语里的动词不明白
no sooner had i started to sit down to my reading assignment than there came a knock at the door and jack called.这里是看成 start to sit down 和 start my reading assignment ,这种用法好吗,当然这句话是书上的,只是听起来很别扭
no sooner had i started to sit down to my reading assignment than there came a knock at the door and jack called.这里是看成 start to sit down 和 start my reading assignment ,这种用法好吗,当然这句话是书上的,只是听起来很别扭
问题解答：
我来补答展开全文阅读