—I'll ask the teacher about the attributive clause. I'm very puzzled about it.

—That's just ________ most of our classmates have doubt.

  A．what        B．Why             C．where            D．how

 — Everybody knows smoking is harmful to health, but still so many people smoke.

   —Exactly! So our country is planning to start a ____ against smoking.

  A. war             B. campaign          C. motion           D. struggle

 This sweater fits me, but I can't afford to buy ________. I have to choose ________ which is cheap enough for me.

  A．it; that           B．that; it           C．it; one           D．that; the one

 —Our holiday cost a lot of money.

—Did it? Well, that doesn't matter ________ you enjoyed yourselves.

  A．unless                B．as far as        C．as long as         D．until

—How did you like the concert last night?

—I enjoyed it very much, but the dancers ______ a better job.

A. could have done　 　 B. couldn’t have done　　 C. must do　　 D. must have done

— Did the opening ceremony of 29^th Summer Olympic Games impress you???

—Yes, it was just marvelous. ________by Zhang Yimou, it was really a feast for the eyes.

A. Being directed　 B. Directed　 C. Having directed　 D. To be directed

When the book，Twilight, was first ________, it was immediately well received by readers.

  A. brought up       B. brought down      C. brought about     D. brought out

________the pressure increased day by day, students devoted themselves to their study not to let their parents down.

  A .When             B．Where           C. Before           D．While

Feeding a large family, ________ did hard physical work every day, required a lot of food.

A. all of members　　　　　　　　　 B. all of whose members

C. all members of whose D. of whose all members

 Traffic conditions in Beijing ________ for decades. At first people only complained about jams during rush hours，but today every hour is rush hour.

  A. is worsening       B. have worsened       C. have been worsening      D. worsened