As many as ten courses are provided ,and you are free to choose suits you best．
A. whatever
B. whichever
C. however
D. wherever
网友回答
A. whatever
(答案→)B. whichever
C. however
D. wherever
解析： 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。