| — Can you describe _____ it happened? — Yes, I was riding on my bike _____ a car knocked me down from behind. |
A. when; as B. how; as C. how; when D. how; while |
| Plastic bags are provided for our convenience but they have also______ the pollution of the environment. |
A. adapted to B. turned to C. contributed to D. looked forward to |
| It really seemed ages _____ the police came on the scene and cleared away the damaged cars. |
A. before |
| Clearly, in a system ______ every decision is made on the basis of tradition alone, it may be difficult to achieve progress. |
A. that B. when C. where D. which |
| Her descriptions ______ the details of the accident and it looks as if she was on the scene when the accident happened. |
A. result in B. carry out C. agree with D. make for |
| Even today many people in the remote mountainous are still have no ______ to free medical treatment. |
A. entrance B. approach C. access D. limit |
| The plan was in ______ just because people were unwilling to cooperate. |
A. ruins B. pieces C. danger D. trouble |
| Jobs are hard to get and, _____, more young people are continuing their education. |
A. above all B. as a result C. after all D. on the contrary |