Unit 4 Global warming
【观察探究】How did it come about that he had his leg hurt?   他腿伤着了，这是怎么发生？2) The accident came about last night.【拓展延伸】1)表示“发生”词或短语还有：______________(多指战事、火灾、瘟疫、争吵等) 它们和come about一样，也不能用于被动结构。2) come across（偶然）碰到；  come up 发生，走过来，被提出  come up with 提出  come out 出来，开花；出版；结果是
1.So how has this come about and does it matter?
happen
take place
break out
【即学活用】用关于come短语完成以下句子
1.正如他所料那样，事情发生了。The event ____________as he had predicted it.2.那些玫瑰花开了。The roses are ____________.3.我考了第一名。I ...