The subject is sponge because that is what is the main point of the sentence is.
Dedication, integrity and responsibility are elements of professionalism that make a person successful in her field. By taking ownership of their roles and duties, professionals make names for themselves and usually find promotion, opportunities and repeat business come easily to them.
Answer:
The answers are all except c. So, a b and d are the correct answers.
Explanation:
Though air travel did much to revolutionize postal and travel industries, it did not contribute much to the art of advertising.
Extrovert, intro vert, anxiety, struggle speaking, bad experience etc