1-C. Researchers will no doubt continue to come up with more ideas to enhance the quality of our waiting time.Researchers will no doubt continue to come up with more ideas to enhance the quality of our waiting time.
2. Barbers and cosmetologists, also called hairdressers and hairstylists, provide hair care services to enhance the appearance of consumers.Barbers and cosmetologists, also called hairdressers and hairstylists, provide hair care services to enhance the appearance of consumers.
3-C. This result shows that the program enhances student motivation and ability.This result shows that the program enhances student motivation and ability.