The correct answer is "her".
Answer:
1. Isabels cheeks are rosy
2. My hair is long and blonde
3. His face is thin
4. Their skin is dark
5. Her dogs tail is short
6. My sisters legs are long
This sentence contains a coordinating conjunction.
I'm a bit confused by the word you capitalized because the word "at" is neither a subordinating nor a coordinating conjunction. It is a preposition.
However, the word "but" is a coordinating conjunction, linking two independent clauses together.
Answer:
the grammer of someone from those era's
Explanation: