论文部分内容阅读
Kate, Cindy, David and John are naughty. They put their new sneakers on the table and want you to guess whose sneakers they are. Of course（当然）, they will give you some tips（提示）.
Tips:
1. The sneakers are white, blue, black and brown.
2. The boys’ sneakers are not blue and brown.
3. Cindy’s sneakers are not brown.
4. David’s sneakers are not white.
Tips:
1. The sneakers are white, blue, black and brown.
2. The boys’ sneakers are not blue and brown.
3. Cindy’s sneakers are not brown.
4. David’s sneakers are not white.