导航:题目详情 | 答案解析 | 相关问题 | 最新问题 【C6】______A.areB.to beC.be.D.is 学历类 2019-11-14 04:39:39 大学英语六级 已帮助 人 【C6】______A.areB.to beC.be.D.is 热搜:关于氨基酸代谢错误的论述是_________。 答案解析 难度★★☆ 搜索 正确答案:D解析:这是一个only引导状语放在句首的倒装句,故此处应该填be的正确形式,主语是 the lifespan of a patent,故应该选单数的形式is。 相关问题 1、Japan_____ to the east of china.A isB will beC areD is going to be 2017-07-14 2、They keep telling us that it is vital that we ______there on time.A.areB.beC.must beD.woul 2018-02-24 3、My father ______ sixty next year.A is going to beB is to beC will beD is about to be 2018-03-24 4、The president is believed__________ seriously ill.A.beingB.to beC.been## 2019-05-06 5、According to the passage the major function of BEC is ______.A.propagandisticB.entertaini 2019-10-07 6、The problem that the population becomes aging ______ .A.is exceptional to GermanyB.has bec 2019-10-13