导航:题目详情 | 答案解析 | 相关问题 | 最新问题 52._________A. isB. wasC. wereD. are 外语类 2020-04-28 00:06:31 已帮助 人 52._________A. isB. wasC. wereD. are 热搜:关于氨基酸代谢错误的论述是_________。 答案解析 难度★★☆ 搜索 答案:Ddevices是复数形式,描述的也是目前的事情,所以应使用be的现在时复数形式are。 相关问题 1、__________ 查看材料A.isB.wasC.has beenD.had been 2017-06-24 2、He insists that he ______ innocent.A. isB. beC. should beD. were 2017-07-06 3、The company stipulated that this contract______fulfilled within one month.A.isB.wasC.beD.w 2017-08-18 4、Gradually people find that his politics______extreme.A.isB.wasC.areD.were 2017-09-10 5、If it______an interesting film well see it tomorrow.A.will beB.wasC.isD.were 2017-09-12 6、At that time she _________ on a journey with her friend.A. isB. wasC. has beenD. is b 2019-12-28