Keywords include all of the following except
a. active verbs
b. passive verbs
c. repetitive words
d. descriptive words

i think you should write from the heart and think what truely makes a hero. i can’t do this for you. even though this is it’s up to you.

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.

the correct answer is the first one.