Question

Fred, who had expected how it would go with his daughter, had a great worry______ his mind.
A. on           S. in           C. with         D. at      

Answer 1

A

考查介詞與名詞的搭配。句意：Fred心里很擔(dān)心，他一直想著他女兒的情況到底怎么樣了。短語on one’s mind意為“掛念，惦記”；in one’s mind意為“在記憶里，有腦海中”