1) is the sentence a fragment or a run on? his problem was an unusual one; he was too lucky. 2) is the sentence a fragment or a run on? his parents advised him to finish his education. 3) correct the parallel structure in the following example: before the end of the day the workmen promised to fix the bedroom fan replace a broken door hinge plumbing in the basement they would tack down the faulty carpet try to deliver the new cabinets

1) This is a sentence fragment. It doesn't provide information on the problem, what "his" name was, nor why he was lucky. If it were a run-on sentence, it would have no grammar.

2) This is a sentence fragment. It gives no information on who the man in the sentence is, nor what type of education he must finish. If this were a run-on sentence, then the sentence would have been longer with no grammar.

3) Before the end of the day, the workmen promised to fix the bedroom fan, replace a broken dor, and hinge plumbing in the basement, tack down the faulty carpet, and they would then try to deliver the new cabinets.

the bottom of the ocean

d.) then bernice winced as marjorie tossed her own hair over her shoulders and began to twist it slowly into two long blond braids until in her cream-colored negligée she looked like a delicate painting of some saxon princess. fascinated, bernice watched the braids grow. heavy and luxurious they were, moving under the supple fingers like restive snakes—and to bernice remained this relic and the curling iron and a to-morrow full of eyes.