sothat的用法和例句

　　Can you work it so that we get free tickets?

　　你能不能为我们搞到些免费票？

　　This course is designed so that students can progress at their own speed.

　　这门课的设计思路是让学生自己掌握进度。

　　She worked hard so that everything would be ready in time.

　　她卖力地干着，为的是一切能够及时就序。