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1)His uncles are seamEn, aren't they? 2)Noth Pole is the most nothern point of the Earth. 3) There are a lot of lakeS in Noth America, aren't there? 4)He will come in a few minutes. 5) I am eating less sandwiches now. 6) Have you ever bought a piano? 7) When did you buy the shoes? 8) Your hair look nice. When did you wash it? 9) I will tell him everything. I promise. 10) The concert will start at 4 o'clock.