__________ all of them are strong candidates, only one will be chosen for the post.
| A．Since |
| B．While |
| C．If |
| D．As |
Children above 12 are able to take part in skiing or other activities for them.
| A．having designed | B．designing | C．to design | D．designed |
People aren’t watching__________television as before on Christmas Day because they use their videos.
| A．too much | B．too many | C．as much | D．as many |
．Mr. Brown arranged for the taxi to come at six __________she would not have to wait long at the station.
| A．so that | B．even if | C．before | D．because |
He spent much of the evening with Robert Green, __________he had hardly seen in the thirty years since they had worked together at CBS.
| A．what | B．that | C．which | D．whom |
．At last, the boys found themselves in a pleasant park with trees providing shade and__________down to eat their picnic lunch
| A．to sit | B．sat | C．sitting | D．having sat |