1.Her job is keeping (keep) the lecture hall as clean as possible.
2.I had great difficulty finding (find) the suitable food on the menu in that restaurant.
3.The girl writing (write) a letter there can speak English very well.
4.We were very excited at the sight of two fivestar red flags rising (rise) in the stadium.
5.Do you know the boy flying (fly) a kite?
6.His argument is very convincing (convince).
7.The next thing he saw was smoke rising (rise) from behind the house.
8.The news that we won the game is exciting (excite).