Our teacher ,-----often helps us with study. -----为什么不能填 of him
问题描述：
Our teacher ,-----often helps us with study. -----为什么不能填 of him
答
原句有个错误,应该是with studing,因为with是介词
如果你填of him,不从语法上看,那么整个句子就变成 他的我们的老师,显然是不通的.