英文: How old do citizens have to be to vote for President? 翻译:美国公民必须几岁才能投票选举总统？ ...

英文: What are two ways that Americans can participate in their democracy? 翻译:列举美国人参与民主...

英文: When is the last day you can send in federal income tax forms? 翻译:寄送联邦所得税表的截止日期是哪...

英文: When must all men register for the Selective Service? 翻译:所有男性多大年龄必须注册兵役登记？ ...

英文: What is one reason colonists came to America? 翻译:殖民者到美国的原因有哪些？列举一项 Answe...