导航：题目详情 | 答案解析 | 相关问题 | 最新问题 【C11】A．wasB．wereC．beingD．is 外语类 2017-08-30 04:35:45 已帮助 人 【C11】A．wasB．wereC．beingD．is请帮忙给出正确答案和分析，谢谢！ 热搜：投资利率系数对is曲线的影响 答案解析 难度★★☆ 搜索 正确答案：A语法线索题。由前半句的“在机械设备出现以前”可知后半句是对过去的情况进行描述。所以用一般过去时was即可，选A。本句未使用虚拟语气，故B错；该空格后的句子并非伴随成分，所以being也不对；D易排除。 相关问题 1、She was the only one of the few girls who______passed the examination.A．wasB．wereC．hasD．ha 2017-08-18 2、I thought that honesty ______ the best policy.A wasB is.C beingD be 2017-10-24 3、If I _____you I would buy a house at the seaside.A. wasB. wereC. am 2017-12-28 4、That they were wrong in the matters______now clear to us.A．wasB．wereC．areD．is 2018-03-09 5、All the crew _____ saved.A.wasB.wereC.hasD.has been 2018-04-05 6、I was（)and all of my equipment（)working well．A．in good healthy;wasB．in agood health;wereC． 2019-02-25
