问题
选择题
_____ his homework, he went out to play.
A．Having done
B．Done
C．He has done
D．He had done
答案
答案：A
having done是现在分词的完成式，表示动作完成。
搜题请搜索小程序“爱下问搜题”
_____ his homework, he went out to play.
A．Having done
B．Done
C．He has done
D．He had done
答案：A
having done是现在分词的完成式，表示动作完成。