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nd? — Great! It was my grandfather39。s ______ birthday. We enjoyed ourselves. (2023廣東 ) A. seventy B. seventieth C. the seventieth D. seventeenth 4. He wrote his ______ novel when he was ______. (2023湖北恩施 ) A. five。 fifties B. fifth。 fifty C. fifth。 fiftieth 5. Please turn to page ______ and look at the ______ picture in this unit. (2023山東聊城 ) A. twentieth。 one B. twenty。 one C. twentieth。 first D. twenty。 first 6. If a = 3 and b = 4, what’s the answer to the problem: a + b + 1 = ? The answer is ______. (2023四川宜賓 ) A. twelve B. nine C. eight D. seven 1. His house is on the ______ (九 ) floor. 2. May is the ______ (five) month of a year. It’s the best time for hiking (徒 步旅行 ). 3. There are _______ (四十 ) students in his class. He always es the ________ (第四十 ). 4. Is Brian her ____ (第一個 ) or ______ (第二個 ) child? II. 根據(jù)提示完成下列句子。 ninth fifth fortieth forty first secondTo preview Integrated skills on Pages 13 and 14 To learn to talk about homes 1. Read and remember the numbers. 2. Do the exercises B1 and B2 on Page 12.