The students need some unusual books to read after school every day． （改为单数的句子）
The student unusual book to read after school every day．
Traditional Chinese （药）has been playing an important role in treating COVID﹣19.
Mike often （收集）stamps and plays basketball in his spare time.
The big tree over there is probably one （百）years old.
It's not safe to leave a baby in a car by （它自己）.
假设你对Henry组织的夏令营感兴趣，请在Camp X﹣treme 的网页上留言，向Henry 询问今年夏令营的相关信息（如举办时间、地点或活动内容等）。请咨询一个问题，完成下面小题。
Henry，I'd like to enter your Camp X﹣treme. （不超过10个单词）