Which verb form correctly completes this sentence about research ethics: 'The committee recommended that the experiment _____ immediate review.'
答案解析
核心考点：虚拟语气 解题思路：recommend后接从句需用(should)+动词原形 选项分析：B正确（原型动词），A/C/D时态错误 易错点：可能忽略recommend要求的虚拟语气结构
正确答案：B