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

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

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

What effect has the Internet had on music piracy

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

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

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

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

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