it is+时间段+since的用法 当主句有last该怎么办,和时间段+since的用法一样么?这里有三道题It's a long time since we___(meet)last year.It's a long time since we___(meet)last,isn't it?More than 15 years ___(pass)sin

it is+时间段+since的用法 当主句有last该怎么办,和时间段+since的用法一样么?这里有三道题It's a long time since we___(meet)last year.It's a long time since we___(meet)last,isn't it?More than 15 years ___(pass)sin
it is+时间段+since的用法 当主句有last该怎么办,和时间段+since的用法一样么?
这里有三道题
It's a long time since we___(meet)last year.
It's a long time since we___(meet)last,isn't it?
More than 15 years ___(pass)since I ___(become) a teacher.
这几块知识点我总是混淆,而且听不懂老师解释,

it is+时间段+since的用法 当主句有last该怎么办,和时间段+since的用法一样么?这里有三道题It's a long time since we___(meet)last year.It's a long time since we___(meet)last,isn't it?More than 15 years ___(pass)sin
我觉得吧.第一句跟第二句都应该用met. 楼主你确定你这个题目没问题么?.
第三题应该是has passed / became
因为吧其实正确的句子应该是it has been a long time since we met last或者since our last meeting.