252. One of the purposes of United Nations is to achieve international co-operation without distinction as to race,____, language or religion.
| A．sex | B．female | C．male | D．Skin |
---Call me when you get to your school.
---OK, ____.
| A．I must | B．I should | C．I will | D．I can |
A fire broke out last night, ____ three children and two adults.
| A．killed | B．killing | C．kill | D．to kill |
Not until the car looked almost new____ cleaning it.1网
| A．John stopped | B．did John stop | C．stopped John | D．John did stop |
Time ____ never comes again. So we’d better make full use of our time.
| A．losing | B．lost | C．being lost | D．having lost |
The order came that the enemies ____ in two hours.
| A．would be defeated | B．should defeat |
| C．should be defeated | D．must be defeated |