prepare的用法搭配

　　例句：

　　1、Who prepared these building plans?

　　这些建筑设计图是谁制作的?

　　2、The defence lawyers asked for another week to prepare their case.

　　辩护律师要求再给他们一周准备案件。

　　3、This special medicine must be freshly prepared each time.

　　这种特殊药品必须在每次使用前配制。