单项选择题
Those who （） a national culture respond that immigrant groups traditionally came to America precisely to put ethnic and religious strife behind them and to become Americans.
A. advocate B. advertise
单项选择题 Itisachallengetotelltheseseparatestorieswithoutlosingoverall（）.
单项选择题 Evawas（）gratefulforhisexpertise.
单项选择题 Thecrowdedroomwasfilledwithlights，cameras，and（）reporters.
