Jack tried to play a trick ______ his sister but she wasn’t taken ________ .
| A．by; on | B．in; in |
| C．on; in | D．on; on |
Not until he got to the factory _______that he had lost his papers.
| A．he found | B．did he find | C．had he found | D．has he found |
The animal is ______; we must do something to save it.
| A．dangerous | B．a danger | C．in danger | D．dangerous one |
.In that country about 80 percent of the population _____ farm.
| A．live on | B．lives on | C．live by | D．lives by |
– What are those men nover there?
--- _________ Green Peace.
| A．A group calling themselves | B．A group called by |
| C．Called by | D．Calling |
– I have a very bad cold.
--- Well, have you ever heard of a saying which goes “_______ a cold and starve a fever?”
| A．feeding | B．to feed | C．fed | D．feed |