Wearemakingamodelplane.(变成一般疑问句)
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()Iwantsome
()It'snineo'clock.Imust______.
About________percentoftheearth'ssurfaceiscoveredwithwater
Therearen’t_____applesinthebasket,buttherearesomeonthetable
to，I，put，the，ball，in，the，box，want
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