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

所有的公共場(chǎng)所都應(yīng)完全禁止吸煙。

Which of the following is the author"s suggestion

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

Cars turn into dead weapons when they are driven carelessly.

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

The Crimea also released CDs for sale in shops because （）.

It"s no good learning English without practice.

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