Man was, is and always will be trying to improve his living conditions.

All of them are （） at Lana"s achievement.

No agreement was （） in the discussion as neither side would give way to the other.

After reading the novel he was too exciting to go to sleep that night.

All male guests at this restaurant are respectfully requested that they are put on coat and tie.

我們認(rèn)為節(jié)約用水非常重要。

It is quite typical of him to be late.

There is nothing so admirable as a man whose sacrifices his life and happiness for others. 

The only way to conquer a fear is to face it, and doing so as frequently as possible.

Have run out of fuel, the plane crashed to the ground.