---How do you deal with the disagreement between the company and the customers?
---The key ______the problem is to meet the demand ______by the customers.
| A．to solve; made |
| B．to solving; made |
| C．to solve; making |
| D．to solving; making |
He can________$ 3,000 a year by writing stories to support a family of three people.
| A．spare | B．afford |
| C．earn | D．charge |
On April 1st the westerners like to play________on each other but they make sure that no one is hurt.
| A．games | B．fun |
| C．hobbies | D．jokes |
—How would you like to be paid，________cash or________check?
—Neither.I want to invest the money in your business.
| A．in；in | B．by；by |
| C．with；with | D．in；by |
We are often warned that smoking ______ great harm to our health.
| A．does | B．leaves | C．makes | D．gives |
You must keep away from the man, who is ______. If you are ______, please call the number 110.
| A．dangerous; dangerous | B．dangerous; in danger |
| C．in danger; dangerous | D．in danger; in danger |