How many people will come to Beijing for the Olympic Games in 2008? — It’s hard to say. _______ people, I think.

Excuse me, where are we going to have our class meeting?—I’m not sure. Ask Li Hua, please. He _________ know.

What are you doing _ Monday morning?[ ]

Would you like some tea, please? — Yes, I prefer tea sugar. [ ]

.—What do you think of the performance yesterday evening?—Great! is o’Henry style.