DoctorDavid is a good friend of Doctor Danny. Doctor David had a bad cold. A friendin need is a friend indeed. The bad cold is doctored by Doctor Danny.
When doctor Dannydoctors doctor David, does Doctor Danny doctor DoctorDavid by the way Doctor David wants to be doctored or does Doctor Danny doctor Doctor David by the way DoctorDanny wants to doctor Doctor David?

这个句子也不错啊

i can do it