They urged that the library open during the vacation.A．must be keptB．is keptC．wo
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They urged that the library _________ open during the vacation.
| A．must be kept | B．is kept | C．would be kept | D．be kept |
试题答案
A
解析此题考查含有情态动词的被动语态的基本结构，情态动词+be+done。此题的含义表示他们强烈要求在假期开放图书馆。