They didn't prepare the speech contest like that,but it-----
2个回答

选D

work out 产生结果的意思

work out very well

结果非常好.

例句

Things worked out quite well.

事情的结果很不错.

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keep out

(使)留在外面2.扣留; 保留,留下

give out

1.分发; 散发2.公布; 宣布3.耗尽; 用完4.停止起作用5.停止运行;停止运转

leave out

遗漏,省略,删去; 未顾及,忽略