26)Beepers ________ by millions of people in Taiwan in the 1990s.(A)were using(B)have used (C) were

問題詳情

26)Beepers ________ by millions of people in Taiwan in the 1990s.
(A)were using
(B)have used
(C) were used
(D)was used (P47)

答案：C
難度：適中0.6
統計：A(0),B(0),C(3),D(1),E(0)