which
01
哪个
used to ask or talk about one or more members of a group of things or people, when we are not sure about it or about them
例子
Which of these options is the best solution to the problem?
这些选项中哪个是问题的最佳解决方案？
02
那个, 哪些
used to refers to animals and things
例子
The car which is parked outside, belongs to John.
停在外面的那辆车是约翰的。
03
哪个, 哪些
used to represent a clause, idea, or concept that acts as the subject or object of the verb or preposition
例子
We need to decide which option to take.
我们需要决定哪个选项。
which
01
哪个, 哪些
used when we want to talk about something specific giving more information about it
02
哪个, 哪些
used to inquire about specific items or choices within a group
例子
Which color do you prefer, red or blue?
哪种颜色你更喜欢，红色还是蓝色？
