Put the words or phrases in the correct order to make meaningful sentences

Put the words or phrases in the correct order to make meaningful sentences :                                                                               a. collected / and / used paper / it / for / Last year / we / recycling / sent ……………………………………………………………………………………                     

   b.  opening / you / mind / the / would / windows?

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   c.  you / Shall / waste basket / for / I / empty / the  / ?

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