问题
选择题
____ his homework, the boy went out to play games with his friends.
A．Finished
B．Having finished
C．Being finished
D．To finish
答案
答案：B
非谓语动词考查题。现在分词的完成式作状语表示分词的动作先于谓语动词的动作发生，同时分词与句子主语为主动关系。句意：完成作业之后男孩出去和朋友做游戏。