Beijing, the capital of China, is one of _________ cities in the world.
--- What time do I have to leave, Dr Li? --- _________, don’t stay here ________ visiting hours.
--- Did the book give the ___________ you needed? --- Yes. But ____________ it, I had to read the whole book.
--- What do you think of ____________ 8th China Flower Expo in our city? --- It was ____________ big success, I think.
—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 ?