what class would you like to fly 为什么用what而不用which>>

题目

what class would you like to fly 为什么用what而不用which>>

答案

用which提问时,是让对方在一定范围内做出选择.比如：
Which fruit do you like to eat more,apples or oranges?
用what提问时,是没有限定范围的.比如：
What fruit do you like best?