( )your speed and you can win the first prize

pick up
掘地,捡起,获得,使恢复精神,加快,看到,随便地认识,加速
put up
举起,抬起,进行,提供,表现出,建造,提名,推举
keep up
不低落,维持,继续
get up
起床
答案是C：keep up your speed and you can win the first prize
保持你的速度,你可以赢得首奖