-- Take your seat, Zhang Hui. -- ________A. Yes, sir. B. Right, sir. C. Thanks, sir.
— Do you think Jim will be the new chairperson this term? — ____________. He is so selfish (自私).
The rich man __________ much food__________ the poor families during the hard time.
If Simon ________ hard, he _________better results in English.
I think math is not ________ science.
The old man has________ useful horse and horse can do a lot of things for him.