_____the problem of land erosion getting more serious, the government is searching for a way to deal with it.
| A．As | B．With | C．When | D．If |
This is John’s photo. We miss him very much. He _______ trying to save a girl in the earthquake.
| A．is killed | B．was killed |
| C．has been killed | D．had been killed |
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 |