高级英语对话 第 135 课：忘记带钥匙-3

A: I really need you to do something for me.
B: What's the problem?
A: I can't get into my apartment.
B: How'd you manage that?
A: I don't know.
B: Do you know where your key is?
A: It's inside my apartment.
B: I have a spare key.
A: Will you let me use it to get inside?
B: Sure. Remember to give it back when you're finished.
A: I appreciate this.
B: No problem. Try not to lock yourself out again.