a. in hopes of ; b. is projected to ; c. become/be obsessed with sth. / sb. ; d. reach out to ; e. come up with ; f. is upon ; g. voice an opinion on ; h. on a large scale ; i. factor .. . i n / factor in .. . j. stick to .. . ; 1. It is hard to believe that these grown men so racing toy cars. 2. Autumn us. The tree leaves are turning gold. 3. The villagers feel greatly thankful for the man who the idea to build this bridge across the rive . 4. In response to the tremendous demand,they began to manufacture the product . 5. Several professors said they would the same textbook as the one used last semester . 6. He went to the job center in town every day finding work. 7. By 2030 the world’s demand for energy more than double. 8. Despite all the difficulties, she felt lucky that many friends her and gave help. 9. I really appreciate this opportunity to the new marketing plan of our company . 10. Don't forget to the cost of maintenance and repair for the vehicle.