问题补充:
单选题Collectingstampsasahobby___________increasinglypopularduringthepastfiftyyears.A.becomesB.becameC.has becomeD.had become
答案:
C解析主语collecting stamps as a hobby被看成是整体,谓语动词用第三人称单数形式。而时间状语during the part fifty years限制了句子用完成时态。
时间:2023-08-29 05:46:09
单选题Collectingstampsasahobby___________increasinglypopularduringthepastfiftyyears.A.becomesB.becameC.has becomeD.had become
C解析主语collecting stamps as a hobby被看成是整体,谓语动词用第三人称单数形式。而时间状语during the part fifty years限制了句子用完成时态。