Unit 1 They sang beautifully.Look and sayWhat did you do yesterday?I went to a restaurant.What did you do yesterday?I went to the library.One Monday,two friends are talking.Did you see a friend yesterday?Yes,I saw Liming in the park.Free talk:Talk with your partners about the things you did last weekends.一般过去时Lets practise.HomeworkPractice the dialogue with your classmates.Thank you