Can you tell me the way you think of________ the problem?
| A．to work out | B．working out |
| C．work out | D．to work |
Babies’ health is much more likely to be affected if______ parent smokes．
| A．both | B．none | C．neither | D．either |
The continuous rain ______ the harvesting of the wheat crop by two months.
| A．set back | B．set off | C．set aside | D．set out |
--Do you think you will give me a hand in time of trouble?
--I’d like to do something for you ______ everything you’ve done for me.
| A．in exchange | B．in turn | C．in return for | D．in terms of |
The bus hit against a tree in the fog and ______to the deep valley，with ten passengers killed and twenty wounded.
| A．down did it roll | B．down rolled it |
| C．it down rolled | D．down it rolled |
______in a science competition, the three students were awarded scholarships totaling $ 21, 000.
| A．To be judged the best | B．Judged the best |
| C．Having judged the best | D．Judging the best |