It’s 8:30. Jeff is _________ a football match online.

Can you tell me ______ live a low-carbon(低碳) life ?—-OK. By using both sides of the paper.

According to the recent research, heavy coffee drinking and heart attack is not necessarily ______ and effect.

Is this_____football, boys?——No, it is not.

I shall never forget those years ______ I lived in the country with the farmers, ______ has a great effect on my life.