单项选择题A.To explain a new requirement for graduation. B.To interest students in a community service project. C.To discuss the problems of elementary school students. D.To recruit elementary school teachers for a special program.
单项选择题A.His vacation has been postponed. B.He needs to take his medicine with him on vacation. C.He is going to change his allergy medicine. D.His allergies no longer bother him.