4 and was very ....... as to when he would be able to find the right part and get it back to me.(A)

問題詳情

4 and was very ....... as to when he would be able to find the right part and get it back to me.
(A) unable
(B) unsure
(C) unskilled
(D) untrained

答案：B
難度：簡單0.774194
統計：A(1),B(24),C(1),D(0),E(0)