since的例句：

　　Things have changed since I was a lad。

　　從我幼時至今，一切都發(fā)生了變化。

　　She's lived there since before the war。

　　她從戰(zhàn)前起就一直住在那里。

　　I've done nothing much since this morning。

　　自從今天上午我什么都沒做。

　　Since losing my job I've been a vegetable。

　　失業(yè)以來我感到百無聊賴。

　　It was the worst flood since records began。

　　這是有記錄以來最嚴(yán)重的水災(zāi)。