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Guest Posted 21 years ago
Grammar
Which of these is correct?
Hi, it seems that a these 2 pairs are common. Can they be used interchangeably.
1. based on/based upon
2. book about/book on
1. based on/based upon
2. book about/book on
Top answer
0 Yes, to me they can... 0-
- 0 Yes, to me they can...
- 0-
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