He warmly congratulated them on _____ they had achieved in science and technology.
| A．that | B．where | C．what | D．which |
The first successful space walk in 2013 is an important historical________in Chinese history.
| A．event | B．matter |
| C．affair | D．incident |
It came as________shock that ________fire broke out in Shanghai yesterday，killing at least 5 people.
| A．a；a | B．a；/ |
| C．/；a | D．the；the |
—I wonder if I could make a living by writing.
—________？
| A．Who cares | B．How dare you |
| C．For what | D．Why not take a chance |
The situation put us at a serious________，which made us very worried.
| A．advantage | B．disadvantage |
| C．condition | D．situation |
I think he’s determined that he won’t give in—you may try your luck and see if you can persuade that old________fellow.
| A．stubborn | B．uneducated |
| C．friendly | D．responsible |