哪些 which; who; what 告诉我哪些是你需要的。 tell me which ones you want. 哪些人出席这次会议? who will attend the meeting? 你读过哪些关于这方面的书? what books have you read on this subject
不论你选择哪一个 whichever you choose you won't be satisfied; whichever you choose you wont be satisfied