---What’s your best friend like?--- .
_____ he was tired , ____ he didn’t stop working .
The air in Lanzhou is getting much _____ now than a few years ago .
---_____ is it from your home to the cinema ?---It’s about twenty minutes’ walk .
There are few _____ in the fridge. Let's go and buy some potatoes, carrots and peppers.
There _____ a football match on TV this evening.