— You must keep the door _______ when you leave your room. — But I want to get the fresh air. I think I can keep the window ________ instead.
They told me it would be cheap, but , it cost me nearly 5,000 dollars.
Everyone except Tom and Mike Kunming before.
You are under 18 years old, so it is for you to join the Trailwalker.
Old people shouldn’t . In fact, they have stronger and clearer minds.
—Let me help you carry the box, Granny. —Thank you, Li Ping. It’s very nice you me.