Americanpeopleha的精選

問題詳情：完形填空。閲讀下面短文，掌握其大意，然後從各小題所給的四個選項中選出最佳選項。Americanpeoplehavethehabitofsaying“Thankyou”whensomethingkindisdoneforthemorsomethingpoliteissaidtothem,nomatterhowe...