2021銀行校園招聘考試:英語單選題(3)
Economics, several courses of which I have taken thus far, ______ to be difficult but useful for almost all students。( )
A. prove
B. proves
C. have been proved
D. are proved
東吳教育參考答案解析
答案:B
解析:考查主謂一致。其中several courses of which I have taken thus far為設置的干擾項。由于主語為表示學科的單數名詞,故謂語應是單數形式。prove to be證明是,主動表被動。