---Must I hand in my exercise book now, Mr. Zhao?---No, you ______. You may give it to me tomorrow.
______ my little brother is a child , he knows a lot.
—Excuse me, could you tell me_________? —Sorry, I don’t know. I’m new here, too. A. when the museum will open B the Olympic Village is where C. how long the lady had lived here D. how do you celebrate New Year
—I don’t know ______ with this problem. It’s too hard. —You can ask Mr Wang for help.
— Must I stay here with you? —No, you_____. You may go home, but you ______go to the net bar.
I used to go to sleep ________ my bedroom light ________.