________inadeepvoiceliketheso

发布时间：2020-07-28 14:27:34

________ in a deep voice like the sound of a big gun, came the shout of a man on a horse．A.All of suddenB.All at onceC.All of the suddenD.All at the once

网友回答

B解析该句为倒装结构。all at once＝all of a sudden＝suddenly表示“突然”。
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