找出下面短文十处错误.When I walked into the classroom and the teacher

When I walked into the classroom (and删除) the teacher was helding（handing打错了,您）（ in--out） the exam papers.I was feeling very （nervously改nervous）.I had not studied at all at the weekend as I had thought it would be （a-an） easy test.I went through（打错了,您） the test many （time改times） but I could only answer three out of the twenty questions.I didn't want to fail the exam.Then,I put my textbook under my desk,（opening改opned） it and started to look for the answers.The teacher wasn't looking at me ,（but--so） I copied something.Suddenly,I （feel改felt） a hand on my shoulder!The teacher caught me cheating.I didn't know（ how-what） to say.Luckily,the teacher didn't punish for cheating （but去掉） instead gave me a second chance.