（ ）12.He for three years. A. has jo
（）12.Heforthreeyears.A.hasjoinedB.hasbeeninthearmyC.joinedD.hasservedthearmy...
（ ）12.He for three years.
A. has joined B. has been in the army C. joined D. has served the army 展开
A. has joined B. has been in the army C. joined D. has served the army 展开
3个回答
展开全部
BD都可以，但意思有区别
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
展开全部
选B
追问
D呢
追答
不行
已赞过
已踩过<
评论
收起
你对这个回答的评价是？
更多回答（1）
推荐律师服务：
若未解决您的问题，请您详细描述您的问题，通过百度律临进行免费专业咨询
