Unit 1

was
am、is 的过去式
were
are 的过去式
China
中国
went
go 的过去式
parent
父母；家长
hometown
故乡
took
take 的过去式
tour
旅行；旅游
Sun Moon Lake
日月潭
lake
湖
did
do 的过去式
swam
swim 的过去式