.Modern agriculture has greatly developed and nowadays animals are usually raised in _____        we call factory farms. As a result of this, lots of labour is saved. 
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A
which
B
where
C
what
D
how
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________ I heard the song by Taylor Swift, I was kept in its power.
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First time
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For the first time
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The first time
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________ the tower building,where you can see the whole city
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Standing on the top of
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If you climb to
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When you reach the top of
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