An idle youth, a needy age.

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

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

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

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

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

In this passage, the expression "walk in the shoes of" is similar in meaning to （）.

我想知道他把表送給誰(shuí)了。

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