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a. hinge s on/upon .. . b. is projected to c. on a large scale d. reach out to e. in hopes of f. is derived from g. clear up h. pose a risk to .. . i. stick to .. . j. excuse oneself 1. In response to the tremendous demand,they began to manufacture the product . 2 . I must my room before my mother returns. 3 . Part of my happiness my ability to help others. 4 . Fake drugs significant consumers. 5 . The fate of the project the decision of the council. 6 . Despite all the difficulties, she felt lucky that many friends her and gave help. 7 . Several professors said they would the same textbook as the one used last semester . 8. She before dessert was served, saying that she was too tired. 9 . He went to the job center in town every day finding work. 10 . By 2030 the world’s demand for energy more than double.