Regulations require__________needs special diets the cooking manager in advance.A.who; informsB.whom; informedC.whomever; informD.whoever; inform
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D解析主要测试主语从句和宾语从句。由题干可知句子__________needs special diets the cooking manager in advance.充当动词require的宾语，另外句子__________needs special diets 有充当后面的句子 the cooking manager in advance.的主语，至此可知第一空只能用whoever，这样既可选出最佳