题干
选出恰当的单词。
A: Who's that ____( boy / girl) ?
B: He's my brother.
A: Is the ____( man / woman) your mother?
B: Yes, she is.
A:____ (What's / Who's) that man?
B: Guess.
A: Is ____( he / she) your father?
B: No, he isn't.____ (She's / He's ) my teacher.
答案(点此获取答案解析）
boy,woman,Who's,he,He's
，比 
多2个。
，比 
少1个。
，和 
同样多。