今天我们将学习年份在英语中的表达。1991-nineteen ninety-one；1850-eighteen fifty；1997-nineteen ninety-seven；1999-nineteen ninety-nine；2007-two thousand seven；2010-two thousand ten；2018-two thousand eighteen；2019-two thousand nineteen。请试着回答以下问题：When was your father born?（你爸爸出生于什么时候）When was your mother born?（你妈妈出生于什么时候）When was your grandfather born?（你爷爷出生于什么时候）When ...
