--- Don't you think it necessary that he ________ to Miami but to New York?--- I agree, but the problem is ________ he has refused to.A.will not be sent; thatB.not be sent; thatC.should not be sent; whatD.should not send; what
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B解析在"It is necessary that+从句"句型中，从句谓语动词用should do的形式，should可以省略，由此可排除A项；send与him之间构成逻辑上的动宾关系，所以send应该用被动语态的形式，由此可以排除D项；从句意看，"the problem is ________ he refused to"是一个表语从句，意为"问题是他已经拒绝了"，由此可排除C项。