It ___(be)one and a half years since I __(begin) to study English.
问题描述:
It ___(be)one and a half years since I __(begin) to study English.
答
is have begun
答
has been begun
答
has been began
全句翻译:自从我开始学习英语到现在已经一年半了。
前半句用现在完成是,表示持续到现在的状态;
后半句用过去时,表示过去的时间发生的事
答
has been begin
答
has been
began