________down the radio—the baby's asleep in the next room.
There is _________in today's newspaper.
The weather in Beijing is cooler than ________ in Guangzhou.
We found ________ necessary to protect the environment.
-Which would you like, rice or noodles? --_______is OK. I'm hungry.
I don't think it very expensive to buy a family computer here. -- Really? I'll buy _______ next week.