---Where have you _______, Sue?
---I've been to Mount Huang.
---Where is Beth?
---She________ to her hometown.
---Shall we meet at a quarter to eight?
---That's too early. Let's make it half past eight.
---The blue skirt looks very nice. May I ________?
---Yes, please.
---“Let's go boating, ________?”
---“Great!”
---Where does he come from?
---Pardon?
---I asked where ________.
---Do you know Oscar?
---Of course.I know him very ________.
---What's your favourite fruit?
---________.
---What's this ________ made of?
---It's made of ________.