问题
选择题
Not a single book is allowed _________ out of the reading room according to the new rule.
A．to take
B．taking
C．to be taken
D．being taken
答案
答案：C
固定结构。allow sb to do sth允许某人做某事；本句是被动语态。句意：根据新规则任何一本书都不能被带出阅览室。