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故選 C 2. D 3. B 點撥:考查介詞。t ________ books. Mary, you left ________ at home. A. you。 after D. after。t lose ________________(you。所以答案為 B。 your D. your。t you miss your parents? —Yes, I plan to e back home ________ a month. A. in。 both) the red car and the blue one. 9. There are many trees on ________(both。根據(jù) my hometown