I have found no convincing as to the truth of the accident, so I have to reserve my judgment for the moment.
| A．balance | B．appearance |
| C．evidence | D．intelligence |
If you had joined the chat room ten minutes ago, you _____ what we were talking about.
| A．will know | B．are knowing | C．can know | D．would have known |
When _____ who is their best friends, the boys usually hesitate before responding.
| A．asking | B．asked | C．ask | D．to ask |
Football is very important to me, but _____ is our friendship.
| A．as | B．so | C．also | D．too |
I am _____ first cloned monkey and I was born at _____ research center in the USA.
A. the; aB. an; the C. /; a D. the; the
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 |