问题描述：
I saw her reading a seience book an the bus.最佳答案：
I didn't see her reading a science book on the bus. ? ?
问题描述：
I saw her reading a seience book an the bus.I didn't see her reading a science book on the bus. ? ?
下一篇：Is it a Chinese book？Is it an English book？（将两个句子合并成一个句子）