Do you know the difficulty he had _______the work?
| A．on finishing | B．to finish | C．finishing | D．finished |
______ in the queue for half an hour, Tom suddenly realized that he had left his wallet at home.
| A．To wait | B．Have waited |
| C．Having waited | D．To have waited |
Kobe Bryant performed amazingly well this season, _______ an average of 35 points each game.
| A．scored | B．scoring |
| C．score | D．to score |
The flowers _______ sweet in the botanic garden attract the visitors to the beauty of nature.
| A．to smell | B．smelling |
| C．smelt | D．to be smelt |
Everyone has his or her advantages, and only _______ you do best can help to reach the goal and truly make a difference.
| A．discovering what |
| B．discovering whose |
| C．by discovering what |
| D．by discovering which |
The prize of the TV show is ￥10 000 and an all expenses _______ vacation to Singapore.
| A．paying | B．paid |
| C．to be paid | D．being paid |