1. She'll buy whichever is cheapest.
   什么最便宜她就買什么。
2. I have three cars, and you may have whichever you like.
   我有三輛車，你可以挑一輛你喜歡的。
3. Take whichever hat suits you best.
   找個最適合你戴的帽子。
4. It takes three hours, whichever route you take.
   不論走那條路都要三個小時。
5. Whichever you buy, there is a six-month guarantee.
   不論買哪個都有六個月保質期。

which.ev.er

pron.（代詞）
Whatever one or ones.
無論哪個，無論哪些
adj.（形容詞）
Being any one or any number of a group:
一群中任一個或任一些：
例句：
Read whichever books you please. It`s a long trip whichever road you take.See Usage Note at whatever
隨便你讀哪些書。不管你走哪條路它都是個長途旅行參見 whatever