Itisessentialthattheseapplicationf

发布时间：2020-07-11 17:15:26

It is essential that these application forms ______ back as early as possible













A.must be sent












B.will be sent











C.are sent











D.be sent

网友回答

D解析考查虚拟语气。 It is essential that + 从句，从句用should + V原形的虚拟语气，should可以省略，选D。
以上问题属网友观点，不代表本站立场，仅供参考！