Answer:
1. After the workers finished the project, they all received bonuses.
2. The sun was shining brightly until the clouds moved in.
3. Because the biscuits were hard, the family refused to eat them.
4. Since Susan left town, there is not a great swimmer on the team.
5. When salespeople are successful, the company reaches its goal.
6. Although we had a wet spring, the water table is still low.
7. Even though they have no money, Esther and David are planning to get married soon.
8. When he was president, John F. Kennedy delivered many great speeches.
9. Even though his supervisor gave clear directions, Mark still made several mistakes on his report.
10. Since wrong answers will be subtracted from the total number of correct responses, do not guess.
Revised sentences:
1. John, who is an excellent student, gets good grades.
2. The manager of the store, who trains the employees very well, has the highest sales in the district.
3. The short story, which was very dramatic, received an enthusiastic response from the students in the English Composition class.
4. Sigmund Freud, who was a pioneer in the field of psychology, is not universally agreed upon by modern psychologists.
5. In the 1990s, political activist C. Delores Tucker attacked the moral standards of hip-hop music, which received mixed views from the public.
6. As one of the Food Network's top stars, Bobby Flay prepared six different pork belly dishes.
7. The Accounting Department will issue new expense forms this week to help clear confusion about tabulating mileage reports.
8. In films of the 1940s and 1950s, American Indians were stereotyped, presenting very few sympathetic portrayals.
9. Due to late checks coming from the home office, we cannot issue paychecks on the 15th of this month.