Answer:
1. Fencing demands, a keen eye, quick reflexes, and agility.
2. Originally, a training method for swordsmanship and dueling fencing today is a harmless sport unless, of course, you plan to replace Zorro.
3. Every precaution, however, is taken to prevent accidental injury.
4. Do you know, for instance, that the weapons have dulled edges and blunted tips capped with buttons.
5. Points are scored by merely touching the opponent.
6.The rent, by the way, is due on the first of the month.
7.As soon as they arrived, they jumped in the water.
8.For breakfast, I’ll have cereal, toast, orange juice, and coffee. (The comma after orange juice may be omitted.)
9.Today we went to the store, to the post office, and to the bank. (The comma after post office may be omitted.)
10.Dawson, the Chicago outfielder, was, in my opinion, the real star of the game. (The commas before and after in my opinion may be omitted.)
11.According to Ruskin, “Fine art is that in which the hand, the head, and the heart of man go together.” (The comma after head may be omitted.)
12.Irving, who lived from 1783 to 1859, was the first major literary figure of the new nation.
13.When Frances returns from her vacation in California, I hope to have a vacation myself.
14.Commas, like exclamation marks, are overused by some writers, don’t you think?
15.I like to see the train, which was built decades ago, speed along the track.
Step-by-step explanation: