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

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

What effect has the Internet had on music piracy

The wound soldier made an effort to stand up, but the general stopped him.

The guide dogs helping the people with dementia will （）.

It is when you nearly lose someone when you become fully conscious of how much you value them.

所有的公共場(chǎng)所都應(yīng)完全禁止吸煙。

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

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

The doctor will get more practice out of me than out of ten ordinary patients.