We have included in your bill the cost of the cup you broke just now.
这是很正常的现象。宾语长，状语短，为了句子匀称，交换位置。这跟代词必须放在“verb + adv.”  词组中间不是一回事（如：put it on；put the jacket on, put on the jacket）。

He explained the question to the teacher.

He explained  to the teacher why he had been late.