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        1. 用適當(dāng)?shù)慕樵~填空,可重復(fù)使用。
          in, on, for, of, under, between , at, behind
          1.Thanks ______  your nice pictures.
          2.  Here is the photo ______my family.
          3.  Listen! The birds are singing ______the tree.
          4.  We are eating dinner ______the table.
          5.  Look ______ the blackboard, please.
          6.  The drawer is______ the bed and the bookcase.
          7.  Please put your books ______ the backpack.
          8.  The boys are playing ______the tree.
          9.—Where is Lily?
             —Oh! She's ______the door.
          10. What's this ______ English?
          1. for   2. of   3. in    4. at   5. at  
          6. between   7. in    8. under    9. behind  10. in
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