I wish I_____to study mathematics three years ago 想知道这道题为什么选

I wish I_____to study mathematics three years ago 想知道这道题为什么选 问一英语选择题：i wish i___to study mathematics three years ago.选项：A I wish I ______ to study English years ago. three years ago ago修饰什么 高中英语语法I began to study English three years ago.How long did three years ago 标志什么时态 I started learing English three years ago.(对three years ago提 three years ago作文 这是个什么从句?It was three years ago that I travelled last time.这个 I began to study here two years ago 同义句 Three years ago,i want to write a screenplay i started to teach english three years ago