Helping others is a habit, _____ you can learn even at an early age.
| A．it | B．that | C．what | D．one |
Our football team _____ every match so far this year, but we still have three more games to play.
| A．wins | B．was winning | C．had won | D．has won |
I’m afraid I am not fit for the job, for it is ______calling for much patience.
| A．which | B．what | C．one | D．that |
______the room, a letter was seen lying on the desk.
| A．Entering | B．Entered | C．After entering | D．When he entered |
Only after you finish your homework ______TV.
| A．you are allowed to watch | B．are you allowed to watch |
| C．are you allowed watching | D．can you be able to watch |
--- Why were you so late for work today？
--- ________ to the office was very slow this morning because of the traffic.
| A． Driving | B．I drove | C．To drive | D．That I drove |