___ that the government can lead them out of the financial crisis, people are optimistic about the future of the country.

A. Convincing     B. Convinced           C. To convince   D. Having convinced

---Can I pay the bill by check?

---Sorry, sir. But it is the management rules of our hotel that payment    be made in cash.

 A．shall             B．need         C．will         D．can

—Your mother isn’t a doctor, is she?

  ----___________. She teaches English in a middle school.

A. Yes, she is  B. Yes, she isn’t     C. No, she isn’t     D. No, she is

         is known to  us all is that America is a developed country         _________the First World.

       A．Which; belonged     B．As; belonging to     

       C．What; belonging to  D．It; belonging

 Alice is one of the students who I am sure always          best in most difficult situations.

A. do her          B. do their        C. does her       D. does their

“How could you lose so much money?” Charlie asked his wife, eyeing her angrily from    ________the kitchen table.

   A．at         B．across     C．through    D．on

―Where did you get to know her?

―It was on the farm         we both once worked in the 1970s.

A. that      B. which   C. when    D. where

Can you imagine what difficulty people had this year       _______________against the severe natural disasters?

A. fighting         B. to fight C. fought  D. fight

Attention, coffee lovers! We have for you, the best coffee machine _____ invented.

A. ever    B. already    C. even        D. nowadays

－What are you busy with ?

   －The conference _______ in our city next week.

  A. held                            B. will be held                     C. be holding                D. to be held