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. 

What is true about the people suffering from dementia

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

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

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

It"s no good learning English without practice.