There is an old man [ ]by the river.Is he your grandfather

He was born [ ] April 19,1923.
He is [ ] years old this year!
He lives so long beacause he eats [ ] food that makes him strong .
How [ ] does he eat fish ?

第一个填 on （英语中出现具体的日期就填on)
第二个应该填一个基数词 例如 four eleven ......第三个应该填 healthy
第四个应该填 much （fish “鱼肉”不可数）
你的题目应该填 sitting （There be sb.doing sth.）

提问时应把题写得明了些。呵呵。

standing

你好！ in,79,a much 仅代表个人观点，不喜勿喷，谢谢。