题目内容
根据括号内的汉语提示用含it的内容补全下面句子(每空一词) 。
4. Susana's aim is to tell all citizens they have a duty to protect the environment, (对吗) ?
4. isn’ t it
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题目内容
根据括号内的汉语提示用含it的内容补全下面句子(每空一词) 。
4. Susana's aim is to tell all citizens they have a duty to protect the environment, (对吗) ?
4. isn’ t it