《Li Ming's Family》Family and Home PPT下载
《Li Ming's Family》Family and Home PPT下载第5页

hard

努力、艰难

adj. adv.

work hard

努力学习

eg.I work hard at school.

weekend n.

周末

on weekends

at the weekend

在周末

eg. My brother and I often go fishing on weekends

2.

3.