【導(dǎo)讀】Heisreadingabook.Whatishedoing?Whatisshedoing?SheiswatchingTV.Whatishedoing?Whatisshedoing?Whataretheydoing?They’replayingfootball.They’reflyingkites.Let’sthebus.things.Lookatthe.It'stwelvenow.I'm.hungryMetoo.Let‘sgo.bigtrees?They’re…Whataretheydoing?bike.Whataretheydoing?