我們認(rèn)為節(jié)約用水非常重要。

事實(shí)勝于雄辯。

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

The author"s attitude towards gift giving is （）.

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

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

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

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

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

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