单选题You have done  &nbsp

问题补充：

单选题Youhavedoneanimportantjobpeoplemustbereallygratefultoyou.A.so… thatB.such… thatC.too … toD.enough …. to

答案：

B解析考查固定结构。people must be really grateful to you .是句子，所以排除C和D。修饰名词job，所以用such… that结构。