would like用法的疑惑

问题描述:

would like用法的疑惑
新概念2 第八课的练习题
I am thirstry.Ask me if I would like a glass of water.
Would you like a glass of water?
为什么不回答为:Would you give me a glass of water?

要根据问题来回答,问题问你 if I would like ,就要用would like .
而且你那个回答一般用 could you.