1.when all the students were seated he began his lecture.为什么were seated 不能改为sat ?
2.It's none of your business how much I weigh "who's that girl you were with ?"这句话是什么意思啊,然后how much i weigh "who's that girl you were with?"这句话怎么理解啊?然后这是什么句子?语法是什么啊?
It's none of your business how much i weigh 这是一个句子,
who's that girl you were with?
这又是一个句子,我把这两个句子写成一句话了