We often heard the saying: “Don't _________ till tomorrow what should be done today.” So you must finish your work today.
—Let’s go to the community if it tomorrow. —But nobody knows if it tomorrow.
There are _______people in our school.
Parents often stop their children_______ computer games.
Not only Jim but also Lucy _____a few interesting places since they came to China.
My teacher warned us ________ in the streets.