一、根据句意、首字母和音标提示，写出句中所缺单词
1. The bird is making its nest with mud and little s.
2. My dog can solve some simple Maths problems. I think he is c!
3. Sometimes my cat likes to stay a in the room.
4. The fish is so quiet. It makes no (/saʊnd/) even when eating.
5. When you feel (/'ləʊnli/), you can go and chat with a friend.
1. The bird is making its nest with mud and little s.
2. My dog can solve some simple Maths problems. I think he is c!
3. Sometimes my cat likes to stay a in the room.
4. The fish is so quiet. It makes no (/saʊnd/) even when eating.
5. When you feel (/'ləʊnli/), you can go and chat with a friend.
答案：1. sticks 2. clever 3. alone 4. sound 5. lonely
解析：
1. 句意为“这只鸟正在用泥土和小树枝筑巢”，结合首字母s，可数名词stick表示“树枝”，此处用复数形式sticks表泛指多根小树枝。
2. 句意为“我的狗能解出一些简单的数学题，我认为它很聪明”，结合首字母c，形容词clever表示“聪明的”，符合语境。
3. 句意为“有时我的猫喜欢独自待在房间里”，结合首字母a，副词alone表示“独自、单独”，stay alone是常用搭配，意为独自待着。
4. 给出音标/saʊnd/，对应单词sound，make no sound意为“不发出任何声响”，符合鱼进食时十分安静的语境。
5. 给出音标/'ləʊnli/，对应单词lonely，形容词lonely意为“孤独的”，feel lonely是常用搭配，意为感到孤独。
2. 句意为“我的狗能解出一些简单的数学题，我认为它很聪明”，结合首字母c，形容词clever表示“聪明的”，符合语境。
3. 句意为“有时我的猫喜欢独自待在房间里”，结合首字母a，副词alone表示“独自、单独”，stay alone是常用搭配，意为独自待着。
4. 给出音标/saʊnd/，对应单词sound，make no sound意为“不发出任何声响”，符合鱼进食时十分安静的语境。
5. 给出音标/'ləʊnli/，对应单词lonely，形容词lonely意为“孤独的”，feel lonely是常用搭配，意为感到孤独。
二、根据要求改写句子
1. My pet dog weighs about 4 kilograms. (对画线部分提问)
your pet dog ?
2. Please look after my pet well when I'm away. (改为同义句)
Please my pet when I'm away.
3. The parrot looks a little different. (改为一般疑问句)
the parrot a little different?
4. Jim needn't stay at home now. (改为同义句)
Jim stay at home now.
5. Put some stones at the bottom of the bottle. (改为否定句)
stones at the bottom of the bottle.
1. My pet dog weighs about 4 kilograms. (对画线部分提问)
your pet dog ?
2. Please look after my pet well when I'm away. (改为同义句)
Please my pet when I'm away.
3. The parrot looks a little different. (改为一般疑问句)
the parrot a little different?
4. Jim needn't stay at home now. (改为同义句)
Jim stay at home now.
5. Put some stones at the bottom of the bottle. (改为否定句)
stones at the bottom of the bottle.
答案：1. How much does; weigh
2. take good care of
3. Does; look
4. doesn't have to
5. Don't put any
2. take good care of
3. Does; look
4. doesn't have to
5. Don't put any
解析：
1. 画线部分表示宠物狗的重量，对重量提问要用疑问词组How much；原句是一般现在时，主语your pet dog是第三人称单数，需要借助助动词does构成疑问句，助动词后谓语动词要还原为原形weigh。
2. 原句中look after well表示“好好照看”，对应的同义固定短语是take good care of，符合四个空的填写要求。
3. 原句是一般现在时，主语the parrot是第三人称单数，改为一般疑问句时要在句首加助动词Does，原句的谓语动词looks要还原为动词原形look。
4. 情态动词needn't表示“不必”，对应的同义结构是don't/doesn't have to，主语Jim是第三人称单数，助动词用doesn't，符合三个空的填写要求。
5. 原句是肯定祈使句，改为否定祈使句要在句首加Don't，后接动词原形put；肯定句里的some在否定句中要改为any，符合三个空的填写要求。
2. 原句中look after well表示“好好照看”，对应的同义固定短语是take good care of，符合四个空的填写要求。
3. 原句是一般现在时，主语the parrot是第三人称单数，改为一般疑问句时要在句首加助动词Does，原句的谓语动词looks要还原为动词原形look。
4. 情态动词needn't表示“不必”，对应的同义结构是don't/doesn't have to，主语Jim是第三人称单数，助动词用doesn't，符合三个空的填写要求。
5. 原句是肯定祈使句，改为否定祈使句要在句首加Don't，后接动词原形put；肯定句里的some在否定句中要改为any，符合三个空的填写要求。
三、根据中文意思完成句子
1. 他从来不咬人，也不喜欢打闹。
He never bites, and .
2. 我的宠物猫从不会忘记回到我身边。
3. 她在你进屋时说“你好”，在你离开时说“再见”。
She says "Hello" when you come into the room and .
4. 我喜欢照顾这些可爱的小鸟。
5. 他有漂亮的白色皮毛和长长的耳朵。
He has .
6. 他很安静，很少发出什么声音。
He is very quiet and .
7. 并且他喜欢在户外追着我跑。
And he likes to .
8. 有我的宠物兔，我从不会感觉孤独。
With my pet rabbit, .
1. 他从来不咬人，也不喜欢打闹。
He never bites, and .
2. 我的宠物猫从不会忘记回到我身边。
3. 她在你进屋时说“你好”，在你离开时说“再见”。
She says "Hello" when you come into the room and .
4. 我喜欢照顾这些可爱的小鸟。
5. 他有漂亮的白色皮毛和长长的耳朵。
He has .
6. 他很安静，很少发出什么声音。
He is very quiet and .
7. 并且他喜欢在户外追着我跑。
And he likes to .
8. 有我的宠物兔，我从不会感觉孤独。
With my pet rabbit, .
答案：1. he doesn't like to fight
2. My pet cat never forgets to come back to me.
3. says "Goodbye" when you leave
4. I like to look after these lovely little birds. / I like to take care of these lovely little birds.
5. beautiful white fur and long ears
6. seldom makes any noise
7. run after me outside
8. I never feel lonely
2. My pet cat never forgets to come back to me.
3. says "Goodbye" when you leave
4. I like to look after these lovely little birds. / I like to take care of these lovely little birds.
5. beautiful white fur and long ears
6. seldom makes any noise
7. run after me outside
8. I never feel lonely
解析：
本题是译林版七年级下册Unit 6 Pets单元Reading II的句子完成题，核心考察本单元所学重点短语、一般现在时的主谓一致规则，结合中文提示匹配对应英文表达，注意第三人称单数作主语时谓语动词的正确变形，填写符合单元知识点的正确表达即可。