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

An idle youth, a needy age.

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

It took years for Einstein"s theory to gain acceptably.

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.

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

我們認(rèn)為節(jié)約用水非常重要。

I thought you might be tired, （） is why I decided to help you.

What is true about sales of music over the last year