200. It is better to die on one’s feet than .
| A．living on one’s knees | B．live on one’s knees |
| C．on one’s knees | D．to live on one’s knees |
The traditional view is ________ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
The door burst open and ________，shouting with anger.
| A．in rushed the crowd | B．rushed in the crowd |
| C．the crowd in rushed | D．in the crowd rushed |
Fog ________ the train timetable.
| A．upset | B．upsetted |
| C．was upset | D．was upsetting |
________ we go swimming every day ________ us a lot of good.
| A．If；do | B．That；do |
| C．If；does | D．That；does |
A clean environment can help the city bid for the Olympics，which ________ will promote its economic development.
| A．in nature | B．in return |
| C．in turn | D．in fact |