People aren’t waching_________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．who |
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 |
The researehers delermine what type of plants the virus can infect(感染) and_________insects can carry the virus.
| A．those | B．why | C．which | D．how |