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t ,完成下列對話,每詞限用一次。 1. It’s hot in summer. The children are playing at the want to go to the on Children’s Day. they have a class ? Yes, they are happy. our group, some students have a in the park on Children’s Day. the UK, Children’s Day is on the fourteenth of Ⅳ .根據表格完成句子。 1. There is a scienc