No other countries could , nor could slaves women.
| A．join; or | B．join in; or | C．join; and | D．join in; and |
All the preparations for the task________， and we're ready to start.
| A．completed |
| B．complete |
| C．had been completed |
| D．have been completed |
—I'm sorry I stepped outside for a smoke. I was very tired.
—There is no________for this while you are on duty.
| A．reason |
| B．excuse |
| C．cause |
| D．explanation |
—Would you like to go to the dinner party on Saturday?
—Thank you. I'd love to，________I'll be out of town at the weekend.
| A．because |
| B．and |
| C．so |
| D．but |
—Haven't you realized the use________the used paper?
—Yes, already.
| A．we make of |
| B．which we make |
| C．for our making |
| D．for us to make |
Being determined is a kind of quality and that's________it takes to do anything properly.
| A．how |
| B．which |
| C．where |
| D．what |