The customer was a pain in the ........, but I had to ensure effective customer service was provided.

The customer was a pain in the ........, but I had to ensure effective customer service was provided. (*) back (*) neck (*) side (*) leg


This is a companion discussion topic for the original entry at https://english.best/questions/2463,the-customer-was-a-pain-in-the-___-but-i-had-to-ensure-effective-customer-service-was-provided/