填空of,on,in,for,at,by,1、who's（）dutytoday.2、there'sabird()thetree.3、Igotoschool（）bike.4、look()thepicture.5、It'sgood()youreyes.6、Igetup()seven.7、Howmanydesks()yourclassroom?8、Haveacup()c

　　填空of,on,in,for,at,by,

　　1、who's（）dutytoday.2、there'sabird()thetree.

　　3、Igotoschool（）bike.4、look()thepicture.

　　5、It'sgood()youreyes.6、Igetup()seven.

　　7、Howmanydesks()yourclassroom?

　　8、Haveacup()coffee,please.9、Heisafriend()mybrother.

　　10、Thetoybusis()you.