题目

现在完成时句型翻译练习。 （1） 我认识他们五年了。 （2） 他们已去了美国五年了。 （3） 自从他搬到福州，他就住这儿了。 （4） 他们已经结婚10年。 （5） 我妹妹成为一个大学生已经三年。 答案： They have known each other for five years. They have been in the USA for five years. He has lived here since he moved Fuzhou. They have been married for ten years. My sister has been a university student for three years.

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