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poorman poorman
wrote...
Posts: 364
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7 years ago
When the body needs to fight infectious diseases it increases the number of white blood cells.
A) diseases, it
B) diseases. It
C) diseases; it
D) No change is necessary.
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GrunterGrunter
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Posts: 556
7 years ago
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I'm an ESL teacher at City College of San Francisco

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poorman Author
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7 years ago
Just got PERFECT on my quiz
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Yesterday
You make an excellent tutor!
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2 hours ago
Thanks for your help!!
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