阅读下面的短文,从短文后各题所给的A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
When Chloe arrived home, she always played with her pet rats, Roxy and Zena. They lived in a cage(笼子) in her bedroom.
At first, Chloe's 36 didn't agree. But then they said yes. "There's only one rule," said Mum. "They can only live in your bedroom and never go to other rooms, especially the kitchen!"
Chloe 37 the cage. She put Roxy on the floor and Zena on her shoulder. Roxy loved to explore. She went under Chloe's bed. Zena was 38 and liked sitting on Chloe's shoulder.
Mum knocked on the door. "Hi, Chloe. I'm going shopping. I'll be back soon," Mum said.
"OK, see you," Chloe replied.
Mum closed the door. Chloe put Zena back 39 the cage and called for Roxy. Roxy usually came 40 when Chloe said her name, but she didn't this time. Where could Roxy be? Chloe started to 41 her. "She must be somewhere," thought Chloe, "but Mum was here and opened the door! Oh, no!"
Chloe started to search the 42 . First, she looked in her parents' room 43 Roxy wasn't there. Next, she looked in the kitchen, calling Roxy's name all the time. But she couldn't find Roxy anywhere. Then, she heard a key in the door and Mum calling, "I'm home."
"Oh, no!" thought Chloe. "Mum's going to be 44 !"
To her surprise, there was Mum with a smile and Roxy was on her shoulder.
"When I arrived at the shop," said Mum, "I opened my bag and found Roxy."
"Sorry, Mum. I broke the rule," said Chloe.
"That's OK. And guess what? I think I 45 rats now!"
()36. A. parents
B. teachers
C. friends
D. classmates
()37. A. cleaned
B. opened
C. lifted
D. bought
()38. A. softer
B. smarter
C. fatter
D. quieter
()39. A. in
B. on
C. behind
D. near
()40. A. calmly
B. quickly
C. noisily
D. carefully
()41. A. look for
B. play with
C. talk about
D. laugh at
()42. A. bag
B. cage
C. house
D. bedroom
()43. A. or
B. so
C. but
D. because
()44. A. sad
B. tired
C. bored
D. angry
()45. A. miss
B. like
C. believe
D. choose

36. A 37. B 38. D 39. A 40. B 41. A 42. C 43. C 44. D 45. B

【分析】
这是一篇记叙文，讲述Chloe养宠物鼠的故事。解题时要紧密结合上下文语境和逻辑关系来选择答案：
1. 第36题：下文提到Mum和父母的房间，说明一开始是Chloe的父母不同意她养宠物鼠，所以锁定A选项。
2. 第37题：根据后文“She put Roxy on the floor and Zena on her shoulder.”可知Chloe是打开了笼子才把老鼠放出来，所以选B。
3. 第38题：前文说Roxy喜欢探索，而Zena喜欢待在Chloe肩膀上，两者形成对比，Zena更安静，因此选D。
4. 第39题：“put...back in the cage”是固定表达，意为“把……放回笼子里”，所以选A。
5. 第40题：根据“but she didn't this time”可知平时叫Roxy的名字它会很快过来，这次却没有，因此选B。
6. 第41题：找不到Roxy，Chloe自然是开始寻找它，“look for”符合语境，选A。
7. 第42题：后文提到Chloe找了父母的房间和厨房，说明她是在整个房子里搜寻，选C。
8. 第43题：前文“looked in her parents' room”和后文“Roxy wasn't there”是转折关系，用but连接，选C。
9. 第44题：Chloe打破了不能让老鼠去其他房间的规则，她觉得妈妈会生气，选D。
10. 第45题：妈妈笑着带Roxy回来，说明她态度转变，现在喜欢老鼠了，选B。
【解析】
36. A 根据后文出现的“Mum”以及“her parents' room”可知，一开始是Chloe的父母不同意她养宠物鼠，故选A。
37. B 由后文“She put Roxy on the floor and Zena on her shoulder.”可知，Chloe打开笼子才把老鼠放出来，opened符合语境，故选B。
38. D 前文提到Roxy喜欢探索，而Zena喜欢待在Chloe的肩膀上，两者性格形成对比，quieter（更安静的）符合Zena的特点，故选D。
39. A “put...back in the cage”是固定搭配，意为“把……放回笼子里”，故选A。
40. B 根据“but she didn't this time”可知，平时叫Roxy的名字，它会很快过来，quickly（快速地）符合语境，故选B。
41. A 联系上下文，Chloe找不到Roxy了，所以开始寻找它，look for（寻找）符合题意，故选A。
42. C 后文提到Chloe搜寻了父母的房间和厨房，说明她是在整个房子里找，house（房子）符合语境，故选C。
43. C 前文“looked in her parents' room”和后文“Roxy wasn't there”是转折关系，用but连接，故选C。
44. D Chloe打破了妈妈制定的规则，让老鼠跑到了其他房间，她认为妈妈会生气，angry（生气的）符合语境，故选D。
45. B 妈妈笑着把Roxy带回来，还和Chloe对话，说明她的态度转变了，现在喜欢老鼠了，like（喜欢）符合题意，故选B。
【答案】
36. A 37. B 38. D 39. A 40. B 41. A 42. C 43. C 44. D 45. B
【知识点】
1. 上下文语境推理
2. 动词短语搭配
3. 形容词词义辨析
【点评】
这篇完形填空围绕Chloe养宠物鼠的日常展开，情节贴近生活，考查学生结合上下文语境理解词汇、进行逻辑推理的能力。解题时需关注人物的对话、动作以及前后文的对比线索，准确把握每个空的语境需求，从而选出最佳选项。
【难度系数】
0.6