"That is Doctor Wang's dog."

Translation: 那是王医生的狗。

[frenzy.duo]

I seem to get to know alot about doctor Wang.

[Gelukservaring]

And teacher Li! And Donald Duck, and Mickey Mouse, etc.

[ONLYAARON]

I feel like I work in Dr. Wang's house as a servant...

[Doryfish8]

shouldn't this work: 它是王医生的狗

[ONLYAARON]

No, not precisely. 它="It" (Pronoun) & 那=“That”