This section is from the book "Lessons In English", by Chestine Gowdy, Lora M. Dexheimer. Also available from Amazon: Lessons in English.
Notice the meaning of the little words in and into in these sentences:
A strange dog came into the schoolroom.
He walked about in it, making friends with the children.
Use in when you are thinking of something's being within, or inside, a place.
Use into when you are thinking of movement from without to within.
Fill each blank with in or into:
1. They are playing------the garden.
2. The hunter went------the grain field.
3. I put the puppy-----the basket-----the shed.
4. The dog jumped------the water and swam about it.
5. Will you walk------my parlor?
6. Carry the milk------the house.
7. Play------the yard.
8. Throw the wood------the shed.
9. "I have you fast------my fortress.
And will not let you depart,
But put you down------my dungeon
------the round-tower of my heart."
 
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