情景对话：
Gloria: Did you sign something so that Manny could switch to French?
Jay: I did.
Gloria: You knew that I wanted him to learn Spanish.
……

知识点讲解：

Switch
换

【例句一】
Why do you want to switch classes? English 101 is an easy A.
你为什么想换课程？English 101这门课很容易拿A的。

【例句二】
Can you switch seats with me?
你能不能跟我换下座位啊？

English 101
英语最简单的一课

chemistry 101
化学最简单的一课

dating 101
约会基本常识

That's dating 101 and you don't even know it?
这是约会最简单的一个道理，你竟然还不知道？

You knew that I wanted…
你知道我想…

【例句】
You knew that I wanted Jess on my team, but you gave me Fred instead.
你知道我想让Jess做我的组员，但你却把Fred给我了。