is，the，what，weather，today，like
____________________________________________
()Whatabout__________?
Theofficebuilding_____theclassrooms
About________percentoftheearth'ssurfaceiscoveredwithwater
Lookatthesign.Thelibraryis_____(close)from1:00p.mto2:00p.m.
Theboysaresittingunderthetree.(对划线部分提问)
___________________________________________
