四年级英语智力题What has four feet sitting on four feet waiting for
四年级英语智力题
What has four feet sitting on four feet waiting for four feet?
The first "four feet" stands for(指代)__________(用英语回答)
The second "four feet" stands for(指代)__________(用英语回答)
The third "four feet" stands for(指代)__________(用英语回答)