导航:题目详情 | 答案解析 | 相关问题 | 最新问题 It is necessary that birds should be trained to get back home.A.YB.NC.NG 外语类 2019-10-30 13:18:51 专八 已帮助 人 It is necessary that birds should be trained to get back home.A.YB.NC.NG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:B 相关问题 1、It is necessary that the administration______new workers.A.hiresB.hiredC.willhireD.hire 2017-08-19 2、It is necessary that he_____ the assignment without delay.(2010)A.hand inB.hands inC.must 2017-09-02 3、It is necessary that he_____without delay.A.is comingB.will comeC.comesD.come 2017-09-07 4、Which of the following sentences does NOT contain subjunctive mood?A.It is necessary that 2017-09-07 5、It is necessary that something urgent______ to combat smuggling.A.is doneB.be doneC.has to 2017-09-16 6、Everyone knows that taxation is necessary in a modern state. Without it it would be impos 2018-03-30