— The light in his room is still on. Do you know _________?
— To prepare for the coming exam， I think.
A. if he works hard B. why he stays up so late
C. why is he so busy D. when he will stop working
— I’m sorry. That wasn’t of much help. — ______. And it was most helpful.
A. Thanks anyway B. It doesn’t matter
C. Of course not D. Sure it was
— Tom， what do you think of the school？
— Oh， no other school is _______ in the city. It’s ______ one.
A. better； a better B. the best； the bes
C. better； the best D. the best； a better
The football match was really fantastic， _______ when Smith scored in the last minute.
A. probably B. exactly C. especially D. mostly
— Could I have an interview with Mr Green now， please?
— Sorry， he _________ a meeting. You’d better wait a minute.
A. has B. had C. is having D. was having
Most Brazilians get along well with each other， _________ they are from different races(种族)， including Americans， European settlers， and Africans，.
A. although B. as a result C. since D. unless
