問題詳情

26. Your proposal will ______ be accepted ______ a more concrete plan is given.
(A)not . . . if
(B)not . . . unless
(C)×; if only
(D)×; until

參考答案

答案:A
難度:困難0.333333
統計:A(9),B(8),C(0),D(7),E(0)