You _____ __ wash your hands before meals. It is good for your health. A. must B. can C. have to
--HowoftendoesGinatakethebustoschool? --She_______takesthebusbecauseshelikeswalkingthere.
-WhenareyougoingtoHainan? -Iamgoingthere_______June8,2009.
Mysisterstillwantstogotoschool_______sheisill.
Cai Qin has given concerts all over China and the tickets have always_______.
---Must we finish the work all day? ---________. You can do it tomorrow.