1.阅读下面短文,按照句子结构的语法性和上下文连贯的要求,从1〜15各题所给 的A、B、C和D项中选出最佳选项。
When I was nine years old, I wanted to keep a pet fish. After months of1. I finally had enough money to get one. I named it Bob. I put 2 beautiful toy house with windows in the tank (鱼缸) so that Bob could swim through. Sometimes, I would draw pictures of 3 fish and sea plants and tape them to the side of the tank, so Bob wouldn't get lonely while I 4 at school.
However, 5 a month, I noticed that the tank was getting dirty. My dad asked me 6 it into the kitchen. He wanted to make sure I knew 7 to do so that Bob wouldn't get hurt.
First, my dad told me to reach 8 into the tank and take the house away. 9 I took my hand out of the water, I noticed that the water was a lot 10 than I thought.
"That's smelly!" I said. "Let's hurry up and 11 the fish out of the water, Dad!"
"Not so fast, Ben, "Dad said." We need to save some of the old water, 12 Bob needs a place to stay while we clean the tank. "
"Why?" I asked.
"Running water from the tap can be harmful to fish," Dad explained, "That 13 we can't put Bob into fresh water right away. Instead, we need to put him in a cup with 14of the dirty water for a while."…
All seemed so easy. I hoped the next time I would be able to clean the tank all by15.