Question

I can see three … boys. boys are playing.
 Our … room is large.

I decided to visit … I vacuous.

 

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Answer 1

1) I can see three (не нужен артикль)  boys. The boys are playing.
2) Our (не нужен артикль) room is large. I decided to visit it. 
3) I vacuous. - непонятно, что нужно делать