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