Definition: from a time in the past until a later time or until now Level: A2
自1980年以来，发生了很多事情。
A lot has happened ___since 1980.
英格兰自1966年以来就没有赢得过世界杯。
England hasn't won the World Cup ___since 1966.
这是我们开始记录以来最热的十月。
It was the hottest October ___since we began keeping records.
