____________________ (John 和 Sally 的母亲) are American.
举一反三
- ____（John和Sally的母亲）are Americans.
- 【单选题】父类Person有子类Chinese和American,且两个子类都重写了父类中的walk()方法;下列哪项实现了多态编程 A. Chinese c=new Chinese("张三"); American a=new American("John"); B. Chinese c=new Chinese( "张三"); American a=new American("John"); c.walk(); a.walk(); C. Person person1=new Chinese("张三" ); Person person2=new American("John"); D. Person person1=new Chinese("张三" ); Person person2=new American("John"); person1.walk(); person2.walk();
- Richard is American, John is British --- they have different _______ .
- He speaks American English well enough to ______ an American. A: stand for B: pass for C: stand up for D: hook up to
- Mr. Li had an American style and he （） like an American. A: thought B: thinks C: thinking D: has thought