问题补充：
We have dresses of various styles and patterns on sale and you may take suits you best．
A. whatever
B. whichever
C. no matter what
D. no matter which
答案：
A. whatever
(答案→)B. whichever
C. no matter what
D. no matter which
解析：考查whichever 和no matter which的用法，意思都是无论哪一个，no matter which引导句子放在句子的前面，不能放在句中；而whichever既可以放在句首又可以放在句中，句子意思“我们穿着各种各样风格和模式的衣服，你可以穿任何一件你喜欢的衣服”，所以选B
