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

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

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

The Crimea also released CDs for sale in shops because （）.

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

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

It"s no good learning English without practice.

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

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