根据短文内容和首字母提示，填写所缺单词。
Mike was reading in the garden when his mother came．She pointed to something and asked Mike w    it was．Mike felt quite surprised, but he told her it was a sparrow and got b     to reading.
Several minutes later, his mother pointed to the same sparrow and asked the same question again．Mike got a little a     but still answered her question．After a little while, his mother did the same thing once more．This time Mike could not c    his anger．He shouted at her f     disturbing(打扰) him again and again.
The old lady silently took out an old diary, turned to a page and showed it to Mike．Though a little impatient, Mike began to r     it.
“Today, I was watering flowers in the garden when little Mike pointed to a bird on the grass and asked what it was．I s    at him, said it was a sparrow and kissed him.” After a while Mike asked me again and I did the same．Pointing to the same sparrow, little Mike k    asking the same question and I answered and kissed him every time.
Something gently touched Mike’s face．His face turned red with s  for being so impatient to his mother.
Your parents have given you many things in their lifetime, but you may not realize that u     they are gone.