问题
I’m afraid I can do nothing about it. All that can be done ____.
A:has done
B:has been done
C:have done
D:were done
B:has been done
C:have done
D:were done
正确答案是：
同类题型
Simon improved his way of study. ________, he has made great progress [ ]
Thank you for ______________ me about it.
The first thing we should do is to tell him the news.
The sick woman is ______ weak ______ look after herself.[ ]
When I knew that China had got her first Aircraft Carrier (航空母舰) , I felt excited and .