' Is it ok to use 'by' or 'at' instead of 'about' in the above sentence? Is there any difference among 'be upset about', 'be upset by' and 'be upset at'? Thanks Hi, It is all right to use either one in the above sentence.
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AnonymousHi,Hi,
'She was really upset about the way her friend treated her.'
Is it ok to use 'by' or 'at' instead of 'about' in the above sentence? Is there any difference among 'be upset about', 'be upset by' and 'be upset at'?
Thanks