Thank you for 接什么 us some help

Thank you for 接什么 us some help Thank you for ____ us some help.A give B giving C to give D Thank you for the trouble you _________ to help us. Thank you for help us.这句话哪里错了,应该改成什么? Thank you for (填） （help） us. thank you for什么with us 为什么 thank you for ( )(help) Thank for you help. thank you for help thank you for you help 1.Thank you for D us.A.helps B.to help C.help D.helping Thank for you help?还是Thank you for help?