问题补充:
单选题Thevolunteers__alotofhelptothecommunityfornearlytenyears.A.offeredB.will offerC.are offeringD.have offered
答案:
D解析本题难度适中,考查现在完成时,由for nearly ten years.可知是用现在完成时,选D
时间:2020-04-30 05:55:07
单选题Thevolunteers__alotofhelptothecommunityfornearlytenyears.A.offeredB.will offerC.are offeringD.have offered
D解析本题难度适中,考查现在完成时,由for nearly ten years.可知是用现在完成时,选D