We had better hurry.Our teacher       us.

—        you please write a 3 000word report about this subject for me?—Perhaps I       only write a 1 000 word one,but I even doubt it.

I can hear the Browns' phone bell ringing but no one is answering it; they _______ be at home.

—The woman biologist stayed in Africa studying wild animals for 13 years before she returned.—Oh, dear! She _______ a lot of difficulties!

—I paid 200 dollars for the necklace. I think it's much too expensive.—Expensive? I don't agree with you. You so before you _______ it.

—How's this pink evening dress? I wear it to the party _______ shall I choose that white one?—They both look beautiful, but I think your blue dress is suitable.

It was very kind of you to do the washing up, but you _______ it.

—The problem wasn’t difficult for him,was it?—No,it wasn’t.He      a more difficult one.

— I suppose I’ll have to ask someone else to see me off .— I’m afraid so . I would see you off if I     ,but I      .

President Hu Jintao urged that every effort to_____rescue and treat the injured when the earthquake happened in Sichuan this year．

Mr. Brown, a good friend of mine, __________ us but that he was short of money at the time.

— Please don''t make a noise .  — ____ . I''ll be as quiet as a mouse . 

. — ____ I know your name ?    — Sorry , you ____ . 

 — Dare you go swimming in the sea ?   — No , ____ . 

You had better not keep the window open , ____ ? 

____ keep it a little longer ? I want it very much . 

— What has happened to Tom ? — I don''t know . He ____ lost . 

Don''t be worried . The news ____ be true . 

Peter ____ come with us tonight , but he is not very sure yet . 

There were already five people in the car but they managed to take me as well . It ____ a comfortable journey .