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

what class would you like to fly?中为什么用what而不用which what class would you like to fly 为什么用what而不用which>> would you please tell me（ what） to do next中为什么用what而不用that,h what would you like to eat?中为什么要用would?would在这句话里是什么意思what w which color would you like?是用which还是what? which food do you like best 为什么不用what? What would you like to Which _______ would you like to take?(fly) 为什么用which 不用what What would you like to do?为什么填to What books do you like reading?Which book would you like to "Would you like to drink some coffee"为什么用“some”而不用“any”?