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Fortunately, A/H1N1 flu cases in our country ______ in the last few weeks.

  A. had reduced   B. reduced      C. has reduced       D. were reduced

—I’m sure your brother Andrew will win the first prize in the English contest.

  —I think so. He ________ for it for two months.

A. is preparing                                                 B. was preparing          

C. had been preparing                                       D. has been preparing

It’s obvious that she ______ him for a long time.

A. has adored          B. adored               

C. is adoring          D. has been adoring.

—I hear you have an experience in the Royal Air Force. Is that ture?

—Yes. I ______ in the Royal Air Force for six years.

   A. served       B had served       C joined      D have joined

When you get the paper back, pay special attention to what ________.

A. have marked              B. have been marked   C. had marked           D. had been marked

-- Remember the first time we ______ , Peterson?

--- Of course, I ______ . We’ve been close friends ever since.

A. met; do             B. met; did        C. had met; did      D. have met; do

Although all of the apples ________, none of them ________ good.

A. have been tasted; taste                                  B. have been tasted; are tasted

C. have tasted; taste                                          D. have tasted; are tasted

This kind of IPod _______ well in China and it is popular with students.

   A. is sold                B. has been sold     C. sells                  D. has sold    

Some buildings built in the past _______ down and new ones are being built there.

       A. will be pulled    B. had been pulled         C. have been pulled              D. are pulling

I won’t tell the student the answer to the math problem until he ________ on it for more than an hour.

  A. has been working    B. will have worked    C. will have been working   D. had worked