She brought with her three friends，none of ________ I had ever met before.
| A．them | B．who | C．whom | D．these |
You can never be________careful，the road is icy and slippery.
| A．very | B．too |
| C．quite | D．rather |
According to the agreement，you________be fined if you fail to meet the goal.
| A．will | B．must |
| C．might | D．shall |
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 |