牛津译林版（2020）必修第三册 unit 2 Grammar and usage 不定式 课件.pptx

Unit 2 Natural disasters;To explore the rules of to-infinitives as attributives and adverbials of result To apply the rules To practice the rules;A;3) The roads were blocked, so there was noting for me to do but stay inside. 4) I had enough food and water to last a whole week! 5) When the wind and r