having done 与doing
问题描述:
having done 与doing
( ) the large undeveloped iron company,the manager took a lot of .
A taking over B having taken over
答
B
took 表明动作发生在过去
所以动作已经完成,且现在公司仍在发展
所以用现在完成进行时
祝新年快乐!