突然疑惑了!Three years (pass)____since we met in new york.请用正确形式填空.我的答案是have passed 但是我想问一下能不能直接用passed 为什么?

突然疑惑了!Three years (pass)____since we met in new york.请用正确形式填空.我的答案是have passed 但是我想问一下能不能直接用passed 为什么? three years three years and three years是什么意思 three seconds、three years、three centuries 用英语翻译过了三年three years ________. i have learned it since three years ago.这里since做介词?three years ago不是副词吗?很疑惑 如果是for three years.这里 three years是名词?另问一个问题 young sister和younger sister有什么区别？可以用young sister 表达 three years ago作文 Three years passed是什么意思 young teacher started teaching English ______.The young teacher started teaching English ______.A.for three years B.in three years C.three years ago D.more than three years 选好了, three years after 和after three years 区别? 请教three years later与three years ago的区别? Three years ago与Before three years的区别是什么? in three years'time.In three years一样吗 Three years has past.为什么“three years”可以看做单数? three years 与three years old的区别 only then did I realize that three years had passed我在学校学里呆了将近3年了.但是实际上还差上一个月满三年,three years had passed好呢还是three years have passed 好呢? for three years同义词求 over three years的同义词