We must work hard to a good knowledge of English.
— Tom looks nervous.— So you if you had so fierce a competition.
Bob Geldof, who organized Live Aid, ______ to raise money for the famine and it ______ to be a great success.
Every hour and every minute ______precious to us because only six months are left for us to prepare for the college entrance examinations.
Chen Yang has brains.In fact,I doubt whether anyone in the class has IQ.
It’s the same in China --- many people, ________ some are not overweight at all, are always going on diets or taking weight-loss pills, ________ are often dangerous.