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

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

Gift giving is the same thing in China and America in that （）.

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

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

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

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

No agreement was （） in the discussion as neither side would give way to the other.

All male guests at this restaurant are respectfully requested that they are put on coat and tie.

Which of the following is the author"s suggestion