問題詳情
She spent the summer ________ on her American history as she was to teach that in the fall.
(A) breaking through
(B) brushing up
(C) coming down
(D) hanging around
參考答案
答案：B
難度：適中0.431095
統計：A(43),B(122),C(36),D(75),E(0)
用户評論
【Hsu Baleng】評論
break through 突破come down 倒塌hanging around 閒蕩