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The police wondered________ of them is________ such a traffic accident.

A. whom; blaming to                            B. who; to be blamed on                   

C. who; to be blamed for                              D. which; to blame for

Is _______ Qinghai-Tibet Railway plays an important role in China’s railway history the topic that you’re coming to?

A. it                           B. that                      C. what                  D. this

Unbelievable as it is, the film 2012 without doubt________ a warning that human beings are faced with potential dangers

A. belongs to         B. serves as               C. exists in                       D. accounts for

Your sister must be helping the little girl with her homework, _______ ?

A. needn’t she                     B. mustn’t she            C. isn’t she                 D. must she

The headmaster was______ as to how to inform her of the news that her daughter failed to pass the exam again.

A. at ease         B. in relief       C. in a hurry        D. at a loss

_______ that your resume works for you, I recommend writing it more like a proposal than a job description.

A. Ensuring             B. Ensured      C. Having ensured      D. To ensure

Please put away your clothes hanging outside. As you know, dark clouds______ heavy rain.

A. admit                    B. promise             C. present               D. permit

One of the National Health Regulations is that public schools ______ actively create conditions for sports facilities opened to the public.

A. shall              B. will              C. might           D. could

The kindergartener sat them down to read and paint,________ all the children wanted to do was to make a mess.

A. as           B. then       C. until                         D. while

Failure hurts adults and children ______ , but it can make a positive contribution to your life once you learn to use it.

A. alike          B. likely              C. similarly   D. actively