问题补充:
All that can be done .
A. has been done
B. have been done
C. have done
D. has done
答案:
(答案→)A. has been done
B. have been done
C. have done
D. has done
解析:All作主语,指的是事情或抽象概念时,常用单数,谓语动词也用单数。
时间:2019-01-13 20:55:13
All that can be done .
A. has been done
B. have been done
C. have done
D. has done
(答案→)A. has been done
B. have been done
C. have done
D. has done
解析:All作主语,指的是事情或抽象概念时,常用单数,谓语动词也用单数。