問題詳情

40. ____________ vigorously from the enormous ice sheets in North America and Europe, thoseicebergs displaced enough water to raise the global sea level.
(A) Purging
(B) Purged
(C) A purge
(D) The purge

參考答案

答案：B
難度：計算中-1
書單：沒有書單，新增