----How do you deal with disagreements between the company and the customers?
----They key the problem is to meet the demand by the customers.
| A．to solving; making | B．to solving; made |
| C．to solve; making | D．to solve; made |
—What do you think of the story?
—Wonderful! It ______ my childhood.
| A．reminds me in | B．reminds me of |
| C．brings me to | D．reminds me to think of |
______ life began on earth is one of the biggest puzzles that scientist found hard ______.
| A．How; solving | B．When; to be solved |
| C．How; to solve | D．Which; to solve |
President Obama held talks with Chinese President Hu Jintao in Beijing, ________ economic recovery, climate change and stopping the spread of nuclear weapons.
| A．which was discussed | B．in which they-discussed |
| C．when they discussed | D．which discussed |
The government has taken some measures to solve the shortage of electricity, but it may be some time ________ we have enough power.
| A．since | B．after | C．unless | D．before |
A small plane crashed into a hillside five miles east of the city, ________ all four people on board.
| A．killed | B．killing | C．kills | D．to kill |