以下是一些适合不同年级下册的英语句子：
1. **三年级下册**：
- "What colour is your ball? It's red and white."
- "How is it? It's sweet."
- "What is it? It's candy."
- "What can you hear? I can hear a plane."
- "I like..."
2. **四年级下册**：
- "The birds are singing in the trees."
- "We went hiking on Thursday and took many photos."
3. **五年级下册**：
- "Who's your art teacher? Mr Hu."
- "What's he like? He's short and thin."
- "Is he quiet? Yes, he is."
4. **六年级下册**：
- "Hi! I'm Amy. I'm from the UK."
- "Welcome! Where are you from?"
以上句子仅供参考，具体的英语句子需要根据你所使用的教材和课程内容来确定。在学习英语时，注意理解和掌握句子的意思和用法，以便更好地进行交流。
girl女孩 teacher老师 student学生 this这个 my我的 friend朋友 I’m=I am我是 good morning早上好 good afternoon下午好 good evening晚安 goodbye再见 too也 apple苹果 ant蚂蚁 bag背包
