【題組】27. Susan can’t remember ________ she has returned the money to Jim or not.(A)how(B)as (C)when (

問題詳情

【題組】27. Susan can’t remember ________ she has returned the money to Jim or not.
(A)how
(B)as
(C)when
(D)whether

答案：D
難度：適中0.689655
統計：A(2),B(2),C(5),D(21),E(0)