| Last year, Li Hua, a college student, _____ to work for the Olympic Games. |
A. is chossing B. is chosen C. was choosing D. was chosen |
| The telephone _____ by Alexander Graham Bell in 1876. |
A. was invented B. has been invented C. is invented D. will be invented |
| Can you tell me whom the play _____ in 1998? |
A. was written by B. was written C. is written by D. is written |
| —How old is the bridge over there? —Oh, very old. It _____ about three hundred years ago. |
A. is built B. was built C. is building D. has built |