简介:<正>十八、be+forced/compelled/obliged+to+V(不得不…)例句:Sincetheexaminationisaroundthecomer.Iamcompelledtogiveupdoingsports.由于考试迫在眉睫,我不得不放弃做运动。十九、Itisconceivablethat+句子(可想而知的)Itisobviousthat+句子(明显的)Itisapparentthat+句子(显然的)例句:Itisconceivablethatknowledgeplaysanimportantroleinourlife.可想而知,知识在我们的一生中扮演