Think it over, ______ you’ll work out the math problem.
--- Why does he look so tired these days?--- He has to work hard_______ the coming test.
— Would you like some juice or bread?— . I’m really thirsty and hungry after such a long walk.
You can call me_______0512-51234567 or e-mail me ____ lily@changshu.com.cn.
Jim is ______excellent runner. He often comes _____first in the race.
--- My mother says that we won't go on a trip to Hong Kong. I just can't understand.--- _______. You were looking forward to it.