He was walking uncomfortably in the street ___________ he had hurt his leg

Don’t be angry with your student when he or she makes a mistake again, will you—No, I won’t. I know that ________ of us is perfect after all.

Inside the White House, there is a room called the Oval OfficeThat’s ________ President Obama works

Smoking should ____________ in school. —-I agree. It’s bad for our health.

What___wonderful world it would be ifall countries in the world could live in___peace with one another.