题目内容：

1.We found that they were clever enough to learn English well.=
2.Lesson Nine is the most difficult one in Book 2=
3.He used a lot of money to buy things for his lab=
4.he ran as fast as he could to catch the thief=
5.all the student passed the exam but bill didn't=
用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译用英语翻译