Mom, where’s my backpack?－You shouldn’t put your things casually, you should take good care of _____ own things.

She is a bank clerk. People can get money_____ her every day.[ ]

To ____ nature is to help ourselves, or we will be punished.

My friend won a prize _____ his essay about the importance of protecting the environment.[ ]

I don’t have a partner to practice French _____. [ ]