第1个回答 2013-10-22
"Teacher, thank you for helping me.
第2个回答 2013-10-22
techer thank you for your help.
第3个回答 2013-10-22
Teacher, thank you for your help.
望采纳
第4个回答 2013-10-22
Teacher,thank you for your help to me
第5个回答 2013-10-23
Miss/sir…,thank you for your help