问题补充：
改写句子
【小题1】There are some footprints on the sand. (改为否定句)
There aren’t any cost footprints on the sand.
【小题2】I pay 20 dollars for the books.(同义句转换)
=The books Does; do me 20 dollars.
【小题3】Lucy does her homework on Saturdays. ( 改为一般疑问句)
Neither Lucy do you like best her homework on Saturdays?
【小题4】 Both of them are touched(感动) by the story.（改为完全否定句）
of them is touched by the story.
【小题5】 Which is your favorite sport? (同义句转换)
=Which sport ?
答案：
解析：
【小题1】此题考查句式变换，肯定句变否定句some 改为any
【小题2】此题考查同义句转换，pay表示花费，主语是人，cost表花费主语是物
【小题3】此题考查句式变换，一般现在时一般疑问句助动词提前后跟动词原形
【小题4】此题考查句式变换，both两个都，完全否定形式neither
【小题5】此题考查同义句转换，favorite sport= like best
