Your response should be between 80-100 words in length • Follow the writing process.
Draw a line through your rough work.
Write the number and heading of the text you have chosen, for
example: A. DIARY ENTRY
A. DIARY ENTRY
Imagine you are Mr M, Thami Mbikwana is your favourite learner. You
want to get him a scholarship so that he can study further. Later on you
find out that he is not interested in studying.
Write TWO diary entries expressing your feelings BEFORE and
AFTER
OR
B. POSTER​

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.