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

Gift giving is the same thing in China and America in that （）.

What is true about the people suffering from dementia

What effect has the Internet had on music piracy

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

Cars turn into dead weapons when they are driven carelessly.

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

我想知道他把表送給誰了。

Nobody can work well if he is distracting.

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