問題詳情

【題組】47.In the 1960s, the computer network _____________.
(A) had few problems
(B) had a lot of problems
(C) was good enough to be used
(D) was already used by millions of people
(E) was not set up yet

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)