— should teenagers spend at least 30 minutes taking exercise?
—Five times a week，according to some reports．
A．How much B．How soon
C．How long D．How often
—The lights in his room are still on．Do you know ? —The exam is coming．
A．why does he stay up so late
B．why he stays up so late
C．what is he doing
D．what he is doing
—What do you plan to do on the May Day holiday?
—I have no idea．Probably，I will spend it by doing many papers．
A．three day’s B．three days
C．three-days D．three-day
The reports went missing in 2012 and nobody them since then．
A．sees B．saw
C．has seen D．had seen
What is the way George thought of enough money to buy the house?
A．got B．getting C．get D．to get
—Jimmy, your books are everywhere on the desk．—Oh，sorry：I’ll at once．
A．put them up B．put them away
C．put them on D．put them down
