1) How much is this? a) It's fifteen dollars. b) It's fifty dollars. 2) How much is this? a) They're thirty-nine dollars. b) It's thirty-nine dollars. 3) How much is the book? a) It's eighty dollars. b) They're eight dollars. c) It's eight dollars. 4) How much is the mobile phone? a) They're forty-five dollars. b) It's forty-five dollars. 5) How much is this? a) It's sixty-one dollars. b) They're sixty-one dollars.

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