| By the first day of August, 2007, the PLA has its ______ birthday. |
A. eighty B. the eightieth C. eightieth D. eighties |
| —Do you know _____ does well in singing in your class? —My friend, I think. |
A. who B. what C. why D. how |
| —How was the evening party yesterday? —We enioyed______very much. |
A. us B. ourselves C. its D. itself |
| —When is the school trip? —______. |
A. October l th B. October ninth C. October twelveth D. October 2th |