Thanks a lot for me to join you. A. inviteB. invitedC. invitingD. invites

问题补充：

Thanks a lot for me to join you.

A. invite

B. invited

C. inviting

D. invites

答案：

A. invite

B. invited

(答案→)C. inviting

D. invites

解析：本句中for是介词，表示感谢的原因。后面接名词或者动名词作宾语，故选C。