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：適中0.511154
統計：A(84),B(213),C(207),D(527),E(0)
用户評論
【Siou-ling Syu】評論
(A)condense 濃縮；壓縮(B)confuse 混淆(C)contract 合約(D)concentrate 專注