问题补充:
单选题Inthepastfewmonths,adiscussion________aboutwhetherselecting“ThreeGoods”Studentsinelementaryandmiddleschoolsshouldbecancelled.A.has to be heldB.has been heldC.has been holdingD.was held
答案:
B解析这题考查时态语态,时间是:In the past few months,所以用现在完成时,而且讨论是被进行,所以用现在完成时的被动式。选B。