He started early so that he_____there in time.
| A．could get | B．got | C．had got | D．would have got |
Gun control is a subject Americans have argued for a long time.
| A．of which |
| B．with which |
| C．about which |
| D．into which |
Studies show that people are more to suffer from back problems if they always sit before computer screens for long hours.
【选项】
| A．likely |
| B．possible |
| C．probable |
| D．sure |
Listen！Do you hear someone for help?
| A．calling |
| B．call |
| C．to call |
| D．called |
The old man, abroad for twenty years , is in the way back to his motherland.
| A．to work |
| B．working |
| C．to have worked |
| D．having worked |
The government plans to bring in new laws parents to take more responsibility for the education of their children.
| A．forced |
| B．forcing |
| C．to be forced |
| D．having forced |