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10. Mary doesn’t go to school because she is ill.
=> Because of ____________________________________________________________

11. I moved to the front of the room so as to see better. (so that)
=> ________________________________________________________________

12. Tom was playing very softly so that he wouldn’t disturb anyone. (in order not to)
=> ________________________________________________________________

13. Because of my friend’s absence, I have to copy the lesson for him.
=> Because ____________________________________________________________