根据句子的上下文及所给的中文提示，写出符合句意的单词，注意单词的正确形式(每空一词，用第1、2单元所学词汇填空。)【1】On hot summer nights, people like to sit _____(户外地), chatting and enjoying the cool air.【2】Once the damage is done, it will take many years for the farmland to _________ (恢复).【3】I noticed him packing something in one of his ____________(手提箱).【4】All those ____ (在场的) at the meeting are famous scientists.【5】It’s _______ (公认)that environment pollution has become one of the most serious p