Упр. 3. Выбрать краткий ответ: 1. Do carbohydrates contain elements of carbon, hydrogen and oxygen? a) Yes, they are. b) Yes, they do. 2. All carbohydrates fall in group of sugars, don't they? a) Yes, they are. b) Yes, they do. 3.
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Choose and write. 1. Am I a pupil? - (Yes, you do/Yes, 2. Can you speak English - (Yes, I can./Yes, I Yes 3. Does she travel? - (Yes, she do./Yes, she does.) 4. Do we learn English? - (yes, we can. / Yes, we do.) 5. Is it Flight 5? - (Yes, it is.
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