题目

Hearing the front door open, I ran down to the kitchen and waited. I saw my dad come in, with the white envelope in his hand. I had waited all day for this, so I reached over him for it as soon as he set foot into the house. Angrily, he      41    the envelope on the table and said that it was nothing to get excited about, and that it was just a piece of paper. I grabbed (抓取) it and ran upstairs. I wondered why my dad did not understand how      42  I was to see my mid-year report card for my first year in middle school. I was really      43     by how he refus小明家九月份用电120度，比八月份节约30度，比八月份节约百分之几？