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

我們認(rèn)為節(jié)約用水非常重要。

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

我想知道他把表送給誰了。

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

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

Cars turn into dead weapons when they are driven carelessly.

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

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

What effect has the Internet had on music piracy