—Why do you come here?
—We are here to ____ the public _____ service．
| A．provide; to | B．provide; with |
| C．provide; for | D．providing; to |
— What are the neighbors doing, Joe?
— Oh, they _______ a party.
| A．have | B．had |
| C．are having | D．have had |
Our English teacher, Mrs. Black, ________ in our school since 1992.
| A．works | B．worked |
| C．will work | D．has worked |
The Olympic Games ________ every four years.
| A．are held | B．were held |
| C．are holding | D．will hold |
The old people and the children must ____________ in our country.
| A．take good care | B．be taken good care |
| C．take good care of | D．be taken good care of |
You ____________ to the ball. Why didn't you go?
| A．invited | B．are invited |
| C．will invited | D．were invited |