单项选择题
A.A ride to the airport is available very infrequently. B.Packages can be sent during business hours. C.Guests can get their suits pressed right from their rooms. D.Help with the bags is available with just a phone call.
A.People who are in legal trouble B.Anyone who is having financial problems C.Businesses that are in need of tax breaks D.Workers who must do their yearly income taxes
A.To announce a medical breakthrough in curing ragweed allergies B.To inform the public about the spread of a new type of an allergy C.To recruit people who are willing to come forward for a medical cause D.To provide the results of a test conducted by the research institute