A terrible earthquake and tsunami struck northeastern Japan, _______ almost 28,000 people to be dead or missing.

  A. caused       B. to cause       C. causing       D. having caused

Recently I bought an ancient vase, ______ , I think, was quite reasonable.

  A. which price                  B. the price of whose

C. its price                     D. the price of which

By the time the police came to rescue the old woman, she _______for four days under the house.

  A. buried    B. had buried    C. had been buried   D. has been buried

Either you or one of your students______ to attend the meeting that is due tomorrow.

  A. are          B. is          C. have            D. be

---- Helen seems very happy.

   ----Yes, she appears ______ in the job interview.

  A. to have been accepted           B. to be accepted

  C. having accepted                D. being accepted

The expert warns the Internet users not to ______ their personal information to strangers.

  A. put out        B. carry out       C. take out       D. give out

The reason _____ the president of Czech is widely discussed recently is _______ he was seen “to steal” a pen at a press conference in Chile.

  A. why, because      B. that, that      C. why, that      D. why, why

Coal was formed out of dead forests through a long _____ of chemical changes.

  A. stage          B. access       C. order       D. process

The Human Development Report shows that we are making progress in many different aspects but ______we need to make great efforts.

A. which          B. that          C. what        D. /

---- Putting on a happy face not only helps us make friends but also makes us feel better.

   ---- _______.

  A.I couldn’t agree with you more.     B. I’d love to

  C. That’s all right                  D. It’s my pleasure.