The sentence that does not contain any errors is: My brother's graduation from college is a source of pride in our family. The correct answer is option D. Notice that the word "brother" uses 's. 's indicates possession to the word "graduation". 's is only used in nouns.
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Satire is a technique employed by writers to expose and criticized foolishness and corruption of an individual or a society by using humor, irony, exaggeration or ridicule. They use fictional character to stand for real -people to help expose and condemn there corruption.