Which [What] train did you come on? 你是坐哪次火車來的?
what和 which的區(qū)別是:當選擇的范圍較小或比較明確時,一般要用which;當選擇的范圍比較大或不明確時,一般要用what。如:
Which country do you come from, Japan or France? 你來自哪個國家,日本還是法國?
What country do you come from? 你是哪國人?
但是,對于who來說,不管選擇范圍大還是小、明確還是不明確均可用。如:
Who won—Tom or Mike? 誰贏了,是湯姆還是邁克?
Who is your favorite film star? 你最喜歡的電影明星是誰?