新三的一道语法选择题.语法老师请进,谢谢~!

问题描述:

新三的一道语法选择题.语法老师请进,谢谢~!
1. He insisted _____ the money before he left.
A. that the assistant should count.
B. the assistant to count.
答案是 A. 请问为什么?那么B为什么不对呢?请老师详细解释,谢谢~~

这是insist的固定用法,以下是insist的几个固定用法:【用法一】 v. 坚决要求;坚持要;一定要,例1:we insisted on his apology. 我们要他赔礼道歉.例2: she insisted on seeing us home.她坚持要送我们回家.例3: ...