She is always helpful ____others.填介词
问题描述：
She is always helpful ____others.填介词
答
to
be helpful to.对……有益处
I suspect he was just fishing for information that might be helpful to his own company.
我怀疑他只是想探听一些可能对自己公司有帮助的消息.
来自《简明英汉词典》