today's exam today ,i had an english exam.it was very important for us.if i passed this exam and maybe i will study ielts ,then i am beginning to prepare the ielts exam.but i was very scared about this exam .when i finished it ,i wanted to checked it .i found many mistakes but i was not sure it was true or faults . i still changed it .after exam i asked teacher the answers .i found that i was wrong .