Main Unit 3介词 in 的用法in ：在里面The boy is _ the box. in on: 在上面The girl is _ the box.on介词 on 的用法under: 在下面The cat is _ the box.under介词 under 的用法in front of: 在前面The girl is _ the box.in front of介词 in front of 的用法behind: 在后面 The bird is _ the box.behind介词 behind 的用法介词between 、next to 的用法between: 在之间next to: 在隔壁The boy is _ the two boxes. between The boy is _ the blue/red box. next to Main Unit 3介 词 大 考 验Jerry is the plate.介词大考验onJerry is the bottle.介词大考验inJerry is the cheese.介词大考验underTom is lying Jer
