L2-1: Advanced Writing L2-1: Advanced Writing L2-1: Advanced Writing Level 2 Lessons Lesson 2-1: Sky vs Ground 天上、地上 L2-1: Advanced Writing Back to All Levels Topic MaterialsDownload the printable to practice writing the following words: 地上、地下、跑來跑去、飛來飛去、跑来跑去.Download the printable to practice writing the following words: 地上、地下、跑来跑去、飞来飞去、跑来跑去.Writing Worksheet: Download Writing Worksheet: Download Previous Topic Back to Lesson