英语句子翻译……谢谢！

1. When it comes to finding jobs,people who had gone to collge have a great advantage.

2. Harder he works,happier he feels.

3. The land of the river vally is fertile,a good harvest is a thing as centainty

4. the suitable candidate of the position must show his capacity of working alone.

5. he flashed his membership card when passing the door.

1.when it comes to finding a job those who are university graduates have great advantages.
2.the harder he works, the happier he feels.
3.the soil in the valley is fertile and a good harvest is certainty.
4.the right person for the job needs to his capacity of working all by himself.
5.he flashed his card of membership, when he passed through the gate.