i don't know what is tracking number i don't know what tracking number is 那一句话对 is应该放在那里

问题描述:

i don't know what is tracking number i don't know what tracking number is 那一句话对 is应该放在那里
为什么

第二句话对,is要放在句末.
在宾语从句中,疑问词放句首,即what放句首.剩下的顺序是:主语(tracking number)+谓语(is).如:
What is your name?
He asked what my name was.