By ensuring the highest methods of quality control, Steven Gregg, the company president, expressed his full ______ to serving the best interests of the company"s customers.

单项选择题Instead of buying a commercial book-keeping system, the accountants of Fullman Financedecided to design one of ______.

单项选择题Since you are under 13, you can enroll in our program ______ your parents accompany you or give consent.