求助，请翻译，谢谢了

. These years, scientists have been trying to improve the environment
I would like to take this opportunity to appreciate each for their hard work on the project.
to ten years old, he has learned to 1000 English words
to last weekend, they have finished the work
in the storm, the most strong, I heard everyone Shouting for help
what he
cause the cause of the accident remains a mystery
We can't get seems better than what we have
And she sat beside the window reading newspapers
night he lay awake, thinking about the problem
they neither pursuit, and seek
only in this way, you can before five o 'clock in the afternoon
. The train at 6 p.m., so the night I have 5 to the station.
what he said is not important, is everyone know these rules
If you think something worth doing, it must do it well, otherwise you will regret it