If you were to rewrite the sentence my car is filthy how would you write it

Oh my god, my car is as dirty as my brother.

Explanation:

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.

honestly, is this even a but since you asked, he's probably at the store trying to get you food.