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grammar
1. Please read the material on pages 253-258 and complete Exercise G4-1 on page 258 and Exercise G4-2 on the same page.
2. Please read the material on pages 306-310, and complete Exercise M5-1 on page 307.
4. Please read the material on pages 329-32, and complete Exercise P2-1 on pages 332 and 333, as well as Exercise P2-2 on page 333.
5. FINALLY, please read the material on pages 333-338, and complete Exercise P3-1 on page 336, Exercise P3-2 on page 336, AND Exercise P3-7 on page 338.