现在完成时的同义句练习题

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现在完成时的同义句练习题

现在完成时专项训练 一、单项选择 1. Li Hong has ________ the army for 2 years. A. joined B. joined to C. been in D. joined in 2. We have been friends since ______. A. children B. five years C. five yea...