They urged that the library open during the vacation.A. must be keptB. is keptC. would be

发布时间：2020-08-16 22:48:27

They urged that the library     open during the vacation.
A. must be kept
B. is kept
C. would be kept
D. be kept

网友回答

A. must be kept
B. is kept
C. would be kept
(答案→)D. be kept
解析：考察虚拟语气。Urge后面的宾语从句使用should+动词原形；should可以省略。故D正确。
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