Susan started to clean the room； Lily was preparing lunch．
| A．however | B．but | C．meanwhile | D．when |
-----How do you find the book? ------_____________.
| A．Great. | B．With the help of my brother. |
| C．By looking around. | D．By chance. |
Joe Jones, the eldest of the eight children, had to ________ out of high school at the age of 16 to help his father on the farm.
| A．leave | B．drop | C．fall | D．go |
He missed _______ when he was in Africa.
| A．killing | B．to be killed | C．to kill | D．being killed |
In our town, wood can ___________ a fire.
| A．be used to make | B．be used to making |
| C．use to make | D．used to making |
In the past five years China ________ great _________.
| A．made, progress | B．has made, progresses |
| C．made, progresses | D．has made, progress |