The running water makes the stones ______ very smooth.
I heard a boy________at the corner.So I went up to him and wanted to help him.
You should try to relax.Don’t be hard________yourself.
I think your idea is so good.I am________agreement with you.
________my father________my mother is able to drive a car.However,they are going to buy one.
________children there are in a family,________their life will be.