1. 他在1992年十月21号出生
【he was born in Oct 21st,1992】
改：He was born on October 21st,1992.
2. 在我上个休息日
【In my last day off】
改：on my last day off
3. 在上个月底
【In last month end】
改：At the end of last month
4. 后天庭院出售旧物很开心
【the day after tomorrow,it is have fun to have a yard sale】
改：It will be fun to have a yard sale the day after tomorrow.
5. 幸运的是,这个亚洲人在昨天的演讲比赛上得了一等奖
【luckily,the Asia man get the first prize in yesterday sing competition】
改：Luckily, this Asian man won the first prize in the speech contest yesterday.