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

What effect has the Internet had on music piracy

Cars turn into dead weapons when they are driven carelessly.

Having a conversation with people with dementia will be （）.

我想知道他把表送給誰了。

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

Which of the following is the author"s suggestion

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

No one should blind himself （） the well-known fact.