— Why do you do volunteer work in the North-West?
— I___ to improve the lives of the children there through my efforts．
| A．was trying | B．have tried |
| C．am trying | D．tried |
Many experts think the implications of the new legislation will need to be .
| A．looked at | B．looked back | C．looked for | D．looked on |
An old man asked Tom whichof a newspaper he would like to read.
| A．editor | B．editorial | C．edit | D．edition |
There is a sign at the train station, reading “Don’t jump off a train when it’s.”
| A．on move | B．on a move | C．on the move | D．moving |
who had arrested him three times for drug-taking.
| A．Before George stood the policeman | B．Before George the policeman stood |
| C．Before the policeman stood George | D．Stood before the policeman George |
—Hi, Tracy, you look tired.
—I am tired. Ithe living room all day.
| A．painted | B．had painted | C．have been painting | D．have painted |