三年级下期英语复习计划一、知识点(Unit1-Unit6单词及句型汇总) Unit1 Welcome back to school词汇UK Canada USA China she student pupil he teacher today boy and girl new friend 句型1, Welcome! Welcome back! 2, Nice to see you again. Nice to see you ,too. 3, Where are you from? Im from the UK/USA. Im from China/Canada. 4, We have two new friends today. 5, This is Amy