初一英语难题,填充单词1.They d( ) the case for hours last night.2.These

1.They discussed 讨论 the case for hours last night.
2.These are our reason 原因,理由 for doing it.
3.He reported 报告 the student to his headmaster for cheating in the exam.
按要求改写句子：
1.I could to nothing to helphim.(改为同义句）
I ( couldn't ) ( do ) ( anything ) to help him.
2.I found that it was difficult to learn maths well.（改为同义句）
i ( found ) ( it ) ( difficult )to learn maths well.
3.The girl was too young to go to school on her own.（改为同义句）
The girl was so young ( that )she ( couldn't )go to school.
把此句分别改为陈述句和一般疑问句：Mary did not sing a song
肯定陈述句：Mary sang a song.
一般疑问句：Did Mary sing a song?

dicussed
reasons
?
can't do anything
found difficult
that can't
陈述句：Mary did mot sing a song.(本身就是陈述句啊)
一般疑问句：Didn't Mary sing a song?