問題詳情

【題組】32
(A)which
(B)that
(C)when
(D)so

參考答案

答案:C
難度:適中0.613074
統計:A(145),B(42),C(347),D(13),E(0)

用户評論

Chauwei】評論

時間回到1971年,當...Raymond Tomlinson used it to identifydifferent computer stations.

Liz】評論

Its modern meaning dates back to 1971, _32_ Raymond Tomlinson used it to identify different computer stations.