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1、 Spe eak En ngli ish h Preposition（介词）（介词）（介词）（介词）视频播放Where is it?Where is it?Where is it?Where is it?oninunderon:在在.上面上面in:在在.里面里面under:在.下面fill in the blanksfill in the blanksfill in the blanksfill in the blanksThe apple is _The banana are _The pineapple is _onon the the box.box.inin the the box.b
2、ox.underunder the the box.box.Where is the eraser?It is/Its _ the book.inWhere is the book?It is/Its _ the table.onWhere is the cat?It is/Its _ the glass.under1.1.inin 表示在一定空间或表示在一定空间或范围里。范围里。2.2.onon 表示在表面或是表示在表面或是平面上。平面上。3.3.underunder表示在下面，表示在下面，但一般是表示某物的正但一般是表示某物的正下方。下方。小结小结The bird is inininin
3、the tree.The apple is on the tree.The cat is in the tree.The dog is under the tree.The peach is on the tree.The peaches are on the plant.The graps are on the plant.key point “in”in”“on”“on”“on”on”“in”in”“在在.上上”的不同表达的不同表达1)门窗类一一镶嵌在墙上的，用in：字画一类一一挂在墙上的，用onHe put up a map_the black wall because there was a hole _it A:on,on B:in on C:on inThere is a door_the wall.A:on B:in C:under2)鸟一类落在树上用的，用in,苹果一类长在树上的，用onThere are some birds singing _the trees.A:on B:in C:underThere are many oranges _that tree A:in B:on C:underPRACTICE