As a rule, readers (not allow) ______ to take dictionaries out of the reading ro

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问题 As a rule, readers (not allow) ______ to take dictionaries out of the reading room.

选项

答案 are not allowed

解析当看到谓语动词allow时，首先应确定其时态和语态，再考虑主谓一致问题。由句中as a rule“通常，一般来说”，可知本句为一般现在时，主语readers和allow之间是被动关系，所以谓语动词用一般现在时的被动语态are not allowed。

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