英语 单复数转换:
问题描述:
英语 单复数转换:
1 Is that a photo?
2 Is it a pencil sharpener?
3 Are those his friends?
4 Are they Tom's daughters?
答
1 Are those photos?
2 Are they pencil sharpeners?
3 Is that his friends?
4 Is she Tom's daughter?