Focus items ask whether a sentence stays on the paragraph's topic. If it starts a new topic, it goes. Relevance as a set is in relevance questions.
Name the paragraph, then the sentence
One extra fact can still be on-topic. A new person, place, or era usually is not. Add/delete is the neighbor, in add and delete questions. Whole-paragraph placement is in paragraph order.
Question types are in English question types.
The bottom line
Same topic: keep. New topic: delete or move.
Start practicing
Start with a free diagnostic, then drill your weak spots with 15-question quizzes and track how you're doing across Reading, English, and Math. Compare plans whenever you're ready to go further.
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