【導(dǎo)讀】Whataretheydoing?Whatareyoudoing?I’mwriting.Whatareyoudoing?I’msinging.Whatareyoudoing?I’msleeping.Whatisshedoing?She’spainting.Whatishedoing?He’sreading.Whatishedoing?He’srunning.Whatisshedoing?She’sdancing.Issheswimming?Yes,sheis.Isshesinging?No,sheisn’t.She’sshouting.Ishestudying?No,heisn’t.He’sworking.Ishestudying?No,heisn’t.He’sthinking.Issheexercising?Yes,sheis.用句型Isshe/he…?Yes,she/heis.No,she/heisn’t.What’severyonedoingnow?