Volunteering gives you a chance ________ lives, including your own.
| A．change | B．changing | C．changed | D．to change |
During his first trip to China, President Obama discussed some key global issues such as economic recovery, climate change, _______ nuclear weapons in his talks with Chinese President Hu Jintao.
| A．and stopping to spread | B．to stop spreading |
| C．to stop to spread | D．and stopping the spread of |
——What do you think of Harry Potter and Philosopher’s Stone?
——Fantastic. Steven Kloves_______ each character in the movie impressive through lively dialogues and fascinating plots.
| A．makes | B．would make | C．made | D．had made |
Many experts hold the view _______ protection awareness is _______ the key to better environment lies.
| A．that; where | B．which; in which | C．which; where | D．that; in which |
During the dialogue with Chinese youth in Shanghai, President Obama announced the U.S. would expand the number of students to study in China to 100,000 _______ ties between the two countries.
| A．strengthening | B．strengthened | C．to strengthen | D．to be strengthened |
—— The experiment is of particular importance.
—— I see. We won’t carry on with it _______ we can get the good equipment.
| A．until | B．unless | C．whether | D．after |