用所给单词组成句子(英语)

题目

用所给单词组成句子(英语)
1.this,may,cheaper,book,be,than,that,one [末尾是句号]
2.the,waving,beautiful,is,girl,you,to [末尾是句号]
3.man,be,can,the,not,a,doctor [末尾是句号]

答案

this book may be cheaper than that one.
the beautiful girl is waving to you.
the man can not be a doctor.