| A.The persons who are very famous. |
| B.The persons who have much money. |
| C.The persons who have been born. |
| D.The persons who are living in the cemeteries. |
| A.problems bring us much trouble |
| B.problems have two sides, good or bad |
| C.we should try to stay away from any trouble |
| D.the fewer things we do, the less trouble we'll meet |
| A.it hasn't got any sunlight |
| B.it has less energy than others |
| C.it never faces any challenge and tests |
| D.it has no work to do every day |
| A.regard any problem as challenge |
| B.learn from the lagoon side |
| C.worry your problem |
| D.enter into cemeteries |