Question

What seems to be a simple idea always turns out _____ that is hard to put into practice．

A．the one

B．one

C．ones

D．another

Answer 1

B

试题分析：句意：看似简单的想法结果总是成为一个很难实施的想法。这里需要代词代替an idea，用one可以泛指可数名词的单数，the one是特指可数名词单数，ones是泛指可数名词复数，another“另一个”，所以选B。