方位介词方位介词in、on、under的用法的用法1.The books are the bag.2.The books arethe desk.3.The ball is the chair.4.The rabbit is the box.5.The rabbit is the box.6.The rabbit is the box.I can help you.in在在里面里面 The cat is the box.in inon在在上面上面 The apple is the book.ononunder在在下面下面 The bag is the desk.underunder1.The books are the bag.2.The books arethe desk.3.The ball is the chair.4.The rabbit is the box.5.The rabbit is the box.6.The cat is the chair.in inin inononononunderunderunderunder1.The book is under the desk.()2.The shoes are on the bed.()3.The cat is in the bottle.()onunderTick or cross.