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

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

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

A．is                B．a(chǎn)re              C．have been         D．has been

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

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

He met his previous teacher ________ at abroad.

A．by any chance                          B．by the chance

C．by chance                             D．by a chance

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

A．work             B．working           C．is working         D．a(chǎn)re working

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

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

 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

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

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

He was lucky that he escaped _______.

A．to punish          B．being punished     C．punishing         D．to be punished