869. The harder I study, the better my English will be.我越努力，我的英语就会越好。

868. The doctor examined the soldier's wound carefully.大夫仔细检查了战士的伤口。

867. The constitution guards the liberty of the people.宪法保护人民的自由。

866. She makes it clear that she doesn't like swimming.她明确地表示她不喜欢游泳。

865. Old tunes are sweetest and old friends are surest.老调最甜美，老友最可靠。

864. Long ago, people believed that the world was flat.很久以前人们相信地球是平的。

863. It is more important to be healthy than bony slim.健康永远比皮包骨头好。

862. I'm thinking of hanging the lamp from the ceiling.我打算把灯吊在天花板上。

861. If you don't work, you will fail to pass the exam.如果你不学习，你考试就会不及格。

860. If I were you, I would not be bothered by English.如果我是你，就不会为英语烦恼了。