只有不断学习，我们才能跟上现代科技的发展。（only）
only to continue to studying, we can keep up with development of modern science.

“熟能生巧”这句谚语已代代相传。（pass）
"practice makes porfect." this proverd has passed on generation and generation.

我们没有料到经理会出现在晚会上，我们还以为他还在医院呢。（expect）
not all of us expected manager to meet at the evening party and we thought he was
still in the hospital yet.

大量的砍树和使用杀虫济肯定会扰乱生态平衡。（certain）
cutting a large of trees and using pesticide was certain to disturb the balance of
nature.

考试的目的是要测试学生是否掌握了所学的知识。（objective）
the objective of the test was inspective students whether grasped the learned
konowledge.

我们终于找到了那幢旧房子，房屋的大门已漆成了黑色。（paint）
we finally found that old building and the door of house has painted in black.