三年级上册重点句型纲要Unit 11. Hello / Hi, I'm ________.2.—What's your name? —My name's ________.3. Show me your _______. (crayon / pencil / pen / eraser / ruler ... )4. Open/close your______. Unit 21. Good morning / afternoon.2. This is ______. (somebody)3.—Nice to meet you. —Nice ...