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--four years since I joined the army.A.There was B.There is C.It was D.It is 选哪个为什么请分析C和D
题目详情
--four years since I joined the army.A.There was B.There is C.It was D.It is 选哪个为什么请分析C和D
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答案和解析
应该选择D.A 和B不用解释,如果把joined改为had joined就应该选择C 了.也就受到说根据时态就可以解决这道题目
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