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

After reading the novel he was too exciting to go to sleep that night.

Nobody can work well if he is distracting.

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

No agreement was （） in the discussion as neither side would give way to the other.

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

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

事實(shí)勝于雄辯。

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

Cars turn into dead weapons when they are driven carelessly.