Exercise 2. Listen and choose the best option to complete the sentence. 1. Which came first in the world? A. Chicken B. Egg C. Hens D. No answer 2. How long have people argued for the question which came first, the chicken or the egg? A. For many years C. For many days B. For many months D. For many decades 3. What birds lay eggs? A. Male birds B. Female birds C. Newly-born bird D. All of the birds 4. What kinds of egg do people eat much in Canada? A. Pigeon egg B. Duck egg 5. How heavy is a ostrich egg? 6. What is inside a normal egg? A. 1 kg B.1.5 kg C. 2 kg A. Yolk B.White C. Chicken C. Chicken egg D. Ostrich egg D. No answer D.Yolk and white 7. How does the white change when it is boiled? A. It turns white. C. It turns to the yolk. 8. What is correct? A. Eggs are harmful to health. C. Eggs are good for health. B. It turns black. D. It does not change. B. Eggs are delicious. D. Eggs are terrible.