【选择题】有关It is high time that...It is high time that effective meas_英语解答

【选择题】有关It is high time that...
It is high time that effective measures ______ taken to reverse this disturbing trend.
A.be B.were
选哪个,请说明理由谢谢!

人气：227 ℃　时间：2019-10-02 21:42:05

解答

B
虚拟语气还可用在定语从句中,表示：“早该做某事了”时,定语从句中的谓语动词须用虚拟语气,其虚拟语气的结构为：It is (high / about) time that + 主语+ 动词的过去式/ should + do（优先使用动词过去式）,即从句用虚拟过去式