【题目】We that the math teacher explain the puzzle again, but he refused.
A. ordered B. requested
C. commanded D. hoped
在线课程【答案】B
【解析】我们要求这位数学老师再次解释这道难题,但是他拒绝了。that the math teacher explain the puzzle again, 是一个宾语从句,其中使用了should+动词原形,should可以被省略的虚拟语气,所以首先排除D。ordered 命令, requested要求, commanded 命令, hoped希望,选D。