問題詳情

16 Bryan could not________ on his studies because of the noise outside.
(A)condense
(B)confuse
(C)contract
(D)concentrate

參考答案

答案:D
難度:簡單0.74026
統計:A(3),B(7),C(10),D(57),E(0)

用户評論

【用戶】Ken Chang

【年級】國二下

【評論內容】concentrate = focus