These photos ______ on the Great Wall last week.
-What time do you usually go to bed? -I usually go to bed____eight o'clock.
—Excuse me. Is the library open all day? — . Only from 9 a. m to 4 p.m.
—May I come in? I’m sorry I’m late. —Come in, please. But could you tell me ?
If you for your favorite TV programs, you will feel sleepy.
—Could you please the radio a bit? It’s too loud. —Sorry, I’ll do it right away.