take a course in DIY为什么用in

take a course in DIY为什么用in take a course in DIY She should take a course in DIY.改为一般疑问句 take up a course in happiness 歌词 翻译: She had inspired me to take a course in take a French course,take a course in French是同一个意思吗,能相互转化吗 单选题：In the advanced course students take performance tests a A FIRST COURSE IN PROBABILITY怎么样 in course of/in the course of take an interest in变为take a great interest in时an为什么要变为a in the course of 为什么take part in没有a,但是take an active part in要加an?