请问,这句话有否语法错误：I'm sorry for giving you so much trouble

请问,这句话有否语法错误：I'm sorry for giving you so much trouble lan sorry for giving you so much trouble怎么读 几道英语习题不会做— I’m sorry for giving so much trouble. — _______. I'm sorry ____ you so much trouble.And thank you for your he I’m sorry to _______ you to so much trouble. I'm very sorry ______(trouble)you so much I'm sorry _____(cause) you so much trouble. I'm sorry to have given you so much trouble. i am sorry / you so much trouble.and thank you for your help I'm very sorry I have given you so much trouble怎么回答 I’m terribly sorry to have caused you so much trouble --I`m very sorry to have caused you so much trouble,Mr Green