Words

which [wɪtʃ]

作疑问代词，意为“哪一个”。对人和事的特征提问。

eg: Which season do you like? 你喜欢哪个季节？

小练习：The boy in the white shirt is my brother.（对划线部分提问）

Which boy is your sister？

拓展：which +动词不定时为定语从句 意为：该做哪个 如：which to buy 该买哪一个？ 和 which用法相同的还有how ,when ,where, what 如： How to do？该怎样做? When to do? 何时做？