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。
_____ 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。