________ you dance？We need some more actors for the talent show．
| A．Need |
| B．Shall |
| C．Must |
| D．Can |
Chinese __________ by the largest number of people.
A. is speaking B. speak C . is spoken
Now China has joined WTO, so I think English is __________ useful than before .
A . more B . most C . much
Mr. Black is rich, __________ he is not happy.
A. and B. or C. but
. --- I’ve got the final Harry Potter book.
--- You will love it . I __________ it twice already .
A. am reading B. have read C . was reading
September 10th is __________ Day.
A. Teacher B. Teachers' C. Teacher’s