You can not _____him _____a selfish man though he looks cold.

Since then the number of people taking driving lessons ____20.

________ what the teacher said if you think it is important.

Liu Xiang had worked hard . ________， he won the first prize in the 28th Olympic Games.

He was ________and died of lung cancer at an early age.

The teacher told him to speak louder ________by everybody.

Many students are ________ chatting online, which wastes them plenty of time.

—It's hot. Would you like some icecream?
—I'd like some, but I'm ________.

_______ , athletes from all over the world compete _______ the Olympic Games _______ the honor of winning.

Mr. Thomas is ______ a teacher to us. We look on him as our friend.