＿＿＿all my letters I had a drink and went out.A. FinishedB. Having finishedC. FinishingD.

问题补充：

＿＿＿all my letters, I had a drink and went out.

A. Finished

B. Having finished

C. Finishing

D. To finish

答案：

A. Finished

(答案→)B. Having finished

C. Finishing

D. To finish

解析：现在分词的完成式表示分词动作与句子主语为主谓关系先于谓语动词发生。写完所有的信我喝了一杯饮料然后出去了。