You can _______ the bottle ______ water, Jim.

My father ___________ a letter yesterday, but I’m not sure if he has finished it. —Why not ask him about it ?

_____a cat. We do not know_____ name.

Did you find the small village yesterday?—Yes，without any difficulty，for it has ________ changed over years.

Will there be more people in the future ? — No, ________. There will be fewer people.