It is when you nearly lose someone when you become fully conscious of how much you value them.

Which of the following is the author"s suggestion

It"s no good learning English without practice.

The doctor will get more practice out of me than out of ten ordinary patients.

事實(shí)勝于雄辯。

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

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

所有的公共場(chǎng)所都應(yīng)完全禁止吸煙。

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

No one should blind himself （） the well-known fact.