3、、如不立即采取行动,许多种野生动物就会因饥饿而死亡。(without,hunger)Without immediate action, many kinds of wild animals would die from hunger.Unit21、那首歌总使她回想起在芝加哥度过的那个晚上。(remind…of)ThesongalwaysremindsherofthenightthatshespentinChicago.2、街角处刚巧有一位警察,我便向他问路。(happentocorner)There