The teacher explains everything (清晰).
Every year, (百万)of people donate money to the Hope Project.
On Nov.11", most products online in China are usually sold at the (最低的) prices.
Bill was (踢)a ball in the yard when I saw him.
This is our classroom and (你们的) is across the hall.
Behaving (礼貌地) costs nothing, but it brings a lot.