
答案
Yes,18th birthday is considered the most important.Each birthday means a new year.I amost concerned about my 18th birthday as it is a sign of adulthood,indicating that I am no longer a child,but one who canntry to do things independently and should be reliable for his or her own actions as an adult.Since my eighteenth birthday,I ammentitled to go shopping alone,to travel alone and to live independently.I still remembered my 18th birthday.After my birthday celebration,I suddenly felt grown up.