Read each paragraph and then click on the sentence (or sentences) that you think is the topic sentence of that paragraph. Carpeting may initially be less expensive than installing hardwood floors.

Use your current topic — that is, what you are writing about — as the ... often helps and never hurts the meaning of a sentence, so it is good practice.

The ACT English Test and the SAT Writing and Language Test assess test-takers in various conventions of standard English, such as punctuation, sentence ... who wants to practice proper punctuation ...