The old man lives in the village _____, but he never feels _______.

I think I will be a college student ______ five years. [ ]

Can I tell Peter about the news?– No, I don’t want anyone else to know it. You ________ keep it to yourself.

Please remember, kids. ______ careful you are, _______mistakes you will make. —We know, Mr. Li.

The number of the workers here ___ 200. Half of them ____under 30 years old.