题干
配对，在括号内填入正确的编号
(____) 1. Is Danny tall? A.He's Peter.
(____) 2. Hello, Dolly. This is Mr Wang. B.Yes, he is.
(____) 3. How old are you, Ben? C.Hello, Mr Wang.
(____) 4. Good afternoon, boys and girls. D.I'm eight.
(____) 5. Who's your friend? E.Good afternoon, Mr Zhang.
答案(点此获取答案解析）
B,C,D,E,A
展开式中的第三项为（ ）
