[部优] Topic 1 We will have a class fashion show._第一课时
[部优] Topic 3 I cooked the most successfully._第一课时
[部优] Topic 1 You look excited._第四课时
[部优] Topic 1 We’re going on a three-day visit to mount Tai._第一课时
[部优] Topic 2 How can we protect ourselves from the earthquake_第一课时