since加时间点的例句：
He runs every day since 2000.
I have lived here since ten years ago.
It's been two weeks now since she called.
她到现在已经有两个星期没来电话了。
I had been out since I was 17.
我从17岁起就公开我是同性恋。
The children are completely out of control since their father left.
这些孩子自他们的父亲离开后就无法无天了。
温馨提示：
