Unit4Earthquake一：重点单词短语1.Nowimaginetherehasbeenabigearthquake.现在，假设有一次大地震。(1)sth.happento.sb.某事发生在某人身上DidyouhearwhathappenedtoDavidlastnight?你听说大卫昨天晚上发生什么事了吗?(2)happentodosth.碰巧做某事IhappenedtoseePeteronthewaytothebookstoreyesterday.昨天我去书店的路上碰巧遇见了彼得。(3)It(so)happenedthat碰巧......ItsohappenedthatIsawPeteronthewaytothebookstoreyest...
