---Could you tell me ?---Sorry, I have no idea. I wasn't at the party.
— Are you confident about the English Speech Contest, Sally?— __________. I’ve got everything ready!
---Which would you like to drink , coffee or orange juice ?---___. Please give me a cup of tea.
_____ he was tired , ____ he didn’t stop working .
The air in Lanzhou is getting much _____ now than a few years ago .
The teacher is speaking. Please stop _____ and listen to him.