问题
选择题
As many as ten courses are provided ,and you are free to choose suits you best．
A．whatever
B．whichever
C．however
D．wherever
答案
B
题目分析： 句意：多达10个课程被提供，你可以自由的选择最适合你的课程。Choose后面是宾语从句，用whichever连接，指在这10个课程中的任何一个，whatever无论什么（没有范围），however“无论怎样”，whereever”无论哪里“，所以选B。