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3 Usage Circle the correct word choice. Points will be deducted from incorrect guesses. 1. We produced a small amount, number of automobiles this year, even (fewer, less than last year. 2. The serum, which was comprised, composed of two antigens, affected, effected) his liver. 3. The talk centered around, on) the principal, principle) of virtual work. 4. Last year, General Motors increased (its, it's) advertisements and lead, led) the world in automobile sales. 5. Over the past two weeks, our team made continual, continuous) changes to the design 6. The side affect, effect) from the drug was the principal, principle) reason for choosing another treat- ment. 7. The airfield looked much as, like) it did when the Hindenburg exploded almost fifty years ago 8. When you receive my boss, boas's) memo requesting your participation, please respond to her that your job description, as written, will not allow you to perform that type of work. 9. The criteria for assessing the effectiveness of our design (are, is) given in the next section. 10. The double bottom on ships is constructed by taking two layers of steel that span the length of the ship and separating those layers by (5, five) feet