While watching television, .
| A．the doorbell rang |
| B．we heard the doorbell ring |
| C．there was someone knocking at the door |
| D．we heard the doorbell rung |
The tour group ____ 50 students is coming to China next Monday.
| A．consisted of | B．consisting of |
| C．to consist of | D．consists of |
____ their small cottage in the countryside, they also have a big apartment in the city.
| A．Apart from | B．Rather than |
| C．Because of | D．Except for |
—What do you think of the film Frozen?
—Cool! Never before ____ a better one.
| A．had I seen | B．I have seen |
| C．have I seen | D．I had seen |
____ I saw him, I knew he was the man the police were looking for.
| A．Previously | B．Instantly |
| C．Accurately | D．Especially |
Most of the taxi-drivers say what they earn every day actually can hardly ____ the cost of their life.
| A．cover | B．afford | C．include | D．contain |