Myfatherboughtmeadictionary.Hethinksitis

来源：语文精选馆 3.29W

My father bought me a dictionary. He thinks it is ________ my study.

A．friendly to B．helpful to

C．harmful to D．popular to

B　点拨：本题用短语辨析法解题。be friendly to 对……友好；be helpful to对……有帮助；be harmful to对……有害；be popular to对……来说受欢迎。根据句意可知应该选B。