He risked _____ his job to see me off.
| A．losing | B．to lose | C．being lost | D．lost |
With some effective measures __________，the traffic condition of the city has been further improved.
| A．adopting | B．adopted |
| C．to adopt | D．being adopted |
Environmentalists urged that more effective measures __________ by the government to reduce the pollution.
| A．were taken | B．would adopt |
| C．be adopted | D．should take |
Do you think that bridge __________2，000 meters long? It doesn't appear __________ long.
| A．measures; that | B．is measured; so |
| C．is measured; such | D．measures; much |
Now in order to __________ lungs, you have to start breathing deeply and cough more effectively.
| A．expand | B．examine |
| C．explore | D．explain |
__________ all over the mountain __________ wild flowers.
| A．Grown; is | B．Growing; is |
| C．Growing; are | D．Grown; are |