_____ the new policy, we are now having a happy life.

   A. Thanks to   B. Because    C. For         D. Thanks for

She was ________ the result.We knew it from her ______ look.

A. satisfying with;  satisfied          B.  satisfied with; satisfied

C.  satisfied with;   satisfying      D. satisfying with; satisfying

We don’t have enough money .We,_______, can’t afford to buy the car.

A．therefore           B. so          C. however       D. thus

To enjoy the scenery, Irene would rather spend long hours on the train _____ travel by air.

   A.as        B. than        C. to    D. while

 Professor Smith, along with his assistants, _____on the Project day and night to meet the deadline.                                     

A．work        B. working      C. is working           D. are working

He met his previous teacher ________ at abroad.

A.by any chance                     B. by the chance

C.by chance                        D. by a chance

 Tom, ______ yourself .Did you forget the school rules?

  A.behave         B. believe      C. perform           D. conduct

He is the only one of the students who ______a winner of a scholarship for three years.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

A. is B. are　　　　 C. have been　　　　 D. has been

Though having lived abroad for years, many Chinese still ______ the traditional customs.

A. perform           B. possess         C. observe            D.support

The president spoke at the meeting for nearly an hour without _______ his notes.

A.bringing up   B. referring to      C. looking for       D. trying on