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| Sentence Style Ex S1-1Ex S7-3 Word Choice Ex W2-1Ex W5-5 Grammatical Sentences Ex G1-1Ex G6-5 ESL Trouble Spots Ex T1-1Ex T3/Ex T4-5 Punctuation Ex P1/P2-1Ex P7-4 Mechanics Ex M1/M2/M3-1Ex M4/M5/M6-4 Grammar Basics Ex B1-1Ex B4-3 Answers to Guided Practice and Preview Exercises (password-protected for instructors) |
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