单项选择题
A．there will be no problem B．you will have to pay extra C．you must notify Amazing Tours in advance D．you must bring your own ingredients
A．They are not useful. B．They foster unnecessary competition. C．They should be optional. D．They are currently in us
A．wants business to hire more students B．believes in the benefits of good grades C．is concerned about students' creativity D．supports students' interests and abilities