It___ten years since he left the army.A.is B.has C.will D.was

It___ten years since he left the army.A.is B.has C.will D.was It___ten years since he left the army.A.is B.has C.will D.was 这题应该怎么选? It___ten years since he left the army.A.is B.has C.will D.was重点分析为什么这么选（不要网上的答案,） 这类情况 在什么情况出现 It___ten years since he left Shanghai.A.was B.is C.had been D.will be还有It was two years since I __ with her.A.had dined B.was dining C.dined D.had been dining要是第二题题目没有错的话第一题不就应该选A么?第二题不就应该 since ten years since ten years ago区别 It_______ten years since we last it's years since i 可以说since many years before since years ago用于什么时态 SINCE TWO YEARS AGO的同义句 ten years _____(pass) since then. It three years since I smoked.翻译 It is five years since he smoked i have been skating since nine years since two years ago与since two years的区别,分别用在什么时态? He has collected stamps since ten years age 对since ten years age 提问用什么? I have known sandy since three years ago以 since three years ago ,提问 she's been swimming since she wassix years ago划线提问since she wassix years ago