Unit 4 B Let's talk 一起说吧
 
Open the door, please. 请开门。
OK. 好。
Where are the keys? 钥匙在哪？
Are they on the table? 在桌子上吗？
No, they aren't. 不，不在。
Are they near the phone? 在手机附近吗？
No, they aren't. 不，不在。
Look! They're in the door. 看！他们在门上。