-上句：A horse is big .An elephant is big .(改为选择疑问句）

-上句：A horse is big .An elephant is big .(改为选择疑问句）
— is bigger,an elephant —— a horse?横线上填什么
上句：My father usually has his breakfast at seven .(对划线部分提问)
—— ——your father ——his breakfast?横线上填什么