He decided to work __________ than last year.

— _________ has Liu Xiang taken part in world’s competitions of 110-metre hurdles?— I’ve no idea. Let’s find it out on the Internet.

--- English is _________ so difficult to me. I can’t learn it well.--- Don’t give up(放弃).

--- Don’t talk with Mr. Baker. --- I agree with you. ______ you say, he always disagrees.

You don’t look       . You’d better go to see the doctor.