A: I forgot my house key! B: How are we supposed to get into the house? A: I hid a spare key in case this happens. B: Let me guess: it's under the mat? A: How did you know? B: It's the most obvious hiding place. A: I didn't know where else to put it. B: There's a lock that allows you to hide keys in it. A: Wow, really? That sounds like a good invention. B: My teacher has one for his room key. A: Of course, the best solution would be not to forget the key. B: Definitely. Be more careful next time!
