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e trousers. How much _____(be) they? 13. It39。s ten ________(dollar). 14. The black _______(shoe) are my sister39。s. 15. The blue _______(short) are his. His Tshirt is red. is are dollars shoes shorts 四、單項(xiàng)選擇。 much ______ the shoes? A. is B. are C. am 17. —______ the shorts 20 dollars? — Yes, ______. A. Are, they39。re B. Are, they are C. Is, it is 18. —How much is the red sweater? — ______ eight dollars. A. It B. That C. It39。s 19. —How much are these socks? — ______ two dollars. A. They39。re B. These are C. It is 20. —How much is the ______? —