英语现在完成时的练习(含答案) go for it 下

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英语现在完成时的练习(含答案) go for it 下

go for it 是书名啊. (题先给你,自己做做看哦.)一、单项选择 1. Li Hong has ________ the army for 2 years. A. joinedB. be in C. been inD. joined in 2. We have been friends since ...