For each sentence, click on Omit if the underlined word or words can be omitted, and click on Needed if the underlined word or words are needed for grammar or logic.

Click Submit after each question to see feedback and to record your answer. After you have finished every question, your answers will be submitted to your instructor’s gradebook. You may review your answers by returning to the exercise at any time. (An exercise reports to the gradebook only if your instructor has assigned it.)

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