Unit 3
A: May I speak to Harry, please?
B: Who is this?
A: This is Luke.
B: Wait a minutes.
B: Sorry, Harry is not in.
A: When will he be back?
B: He will be back soon.
A: O.K. I will call back later. Bye.
B: Bye!
句型
May I ...... ? Yes, you may. / No, you may not.
其中，...... 的部份有
go to the bathroom
eat some cookies
drink some water
go out
borrow your pencil
play in the park
