In which sentence do the capitalized words represent a prepositional phrase?
a. the maxi deli is around the corner.
b. the conductor called out, "all aboard! "
c. apart from his looks, i would never trust him.
d. i am not going to run out of patience.

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.

idk

explanation: