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B 1 I don't think so. She can't be Italian. She must be Greek. 2 I don't think so. He can't be English. He must be American. 3 I don't think so. They can't be Canadian. They must be Australian. 4 I don't think so. He can't be a mechanic. He must be an engineer. 5 I don't think so, He can't be a bus conductor. He must be a bus driver. 6 I don't think so. He can't be a sales rep. He must be the boss. 7 I don't think so. He can't be twenty-four. He must be thirty. 8 I don't think so. They can't be five. They must be seven. 9 I don't think so. He can't be seventy-six. He must be over eighty. 10 I don't think so. She can't be fifty-five. She must be under fifty. 11 I don't think so. It can't be the 21st today. It must be the 20th. 12 I don't think so. It can't be Tuesday today. It must be Wednesday. 13 I don't think so. It can't be the 2nd today. It must be the 3rd. 14 I don't think so. It can't be cheap. It must be expensive. 15 I don't think so. It can't be easy. It must be difficult. 16 I don't think so. She can't be old. She must be young. 17 I don't think so. They can't be early. They must be late. 18 don't think so. He can't be reading. He must be sleeping. 19 I d on't think so. They can't be listening to the radio. They must be watching television. 20 I don't think so. She can't be retiring. She must be looking for a new job. |