问题描述：
Teachers shouldn't allow him to take the test later.（改为被动语态） _ shuldn't _ _ to take the te
Teachers shouldn't allow him to take the test later.（改为被动语态）
_ shuldn't _ _ to take the test later.
Teachers shouldn't allow him to take the test later.（改为被动语态）
_ shuldn't _ _ to take the test later.
问题解答：
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