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Putthetreeintheroom.Putthestaronthetree.Putthepresentunderthetree.Let’sactinonunderbellstarpresenttreepresenttreestarbell介词in的用法•in：在……里Theboyis_____thebox.in介词on的用法on:在……上Thegirlis_____thebox.on介词under的用法under:在……下Thecatis_________thebox.underKkkiteMerryChristmas!MerryChristmas!Hereareyourpresents.Thankyou.