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 No matter ______ the CRH accident in Wenzhou, it had and will have much warning significance.

  A. how the investigators said caused          B. what the investigators said caused

  C. why the investigators said caused          D. the investigators said how caused

 I should apologize to you for failing to visit you last week, but I've been very busy_____ the past few months.

A. since              B. before           C. among             D. over

 “As you need a day or two to ______ jetlag, you'll have a light schedule for today and tomorrow.” said my boss.  

  A. go over          B. get over          C. turn over           D. take over

Students are required to go out in couples, especially in the evenings, with friends ______ they get into trouble．

  A. even if             B. if only             C. in case               D. when

 --- How I regret making the stupid mistake!

  --- Yes. I        your doing it another way at that time, but in vain.

A.             have suggested    B. suggested       C. would suggest       D. had suggested

 The Super Girl Wang Bei’s death highlights the fact_______ cosmetic surgery has become one of China’s biggest beauty secrets.
A. that                  B. how             C. what               D. why

 --- Our trip to Xinjiang is like tasting a thick book of Xinjiang history and culture.

  --- Absolutely! I’ve never had        one before.

 A. a pleasant        B. a more pleasant   C. a most pleasant      D. the most pleasant

 “I would never advise anyone to _______ a great opportunity,” she said, “but going to the right school for you is the most important thing.”

A. set about         B. deal with           C. take after                  D. turn down

 A Christmas tree is ______ sign that can only be understood as far as ______ certain cultural understanding is concerned.

A. the, /            B. a, the            C. a, a                D. the, a

 Unlike the earth, Mars is too cold and Venus is far too hot _______ there to be any life.

  A. as                   B. so                     C. like                   D. for