I soon found that the work I was doing had already been done, _____, I was wasting my time.
| A．in a word | B．in other words | C．so that | D．above all |
It is the respect for universal rights, our respect for different cultures, and our _______to international laws that guide China's openness to other countries.
| A．comprehension | B．contribution |
| C．commitment | D．consideration |
Although we may not realize _________, when we talk with others we make ourselves understood not just by words but also by body movements.
| A．it | B．them |
| C．that | D．ourselves |
If our marketing plan succeeds, we _________ the sales by thirty percent next year.
| A．would increase | B．will increase |
| C．would have increased | D．will be increasing |
Supposing you _________ the lottery, what would you do with the money?
| A．would win | B．have won |
| C．had won | D．won |
Children’s brains cannot develop properly _________ they lack protein.
| A．because | B．since |
| C．when | D．unless |