---Hello．may 1 speak to miss Smith?

---I’m sorry she left here ______．

---Do you know ______going to stay in London?

---No, I don’t．Maybe a few days．

---I'm sorry to keep you waiting for me so long．

---________．

--- You like listening to Sally's songs, don't you?

--- _______.She has a sweet voice.

--- What's the worker doing?

--- He's working ________ a machine. (机器)

---Where ________ the backpack?

---Look! It's on the bed.

---I usually ____ Lily ____ her twin sister Lucy.

---So do I.

--Where are the boys?

--They ________ a kite in the garden now．

— Could you tell me how I can get to the office?

— ________