问题补充:
We have done things we ought not to have done and undone things we ought to have done.
A. left
B. leave
C. will leave
D. leaving
答案:
(答案→)A. left
B. leave
C. will leave
D. leaving
解析:并列的谓语:have done和have left并列,省略 have.
时间:2022-11-05 23:26:01
We have done things we ought not to have done and undone things we ought to have done.
A. left
B. leave
C. will leave
D. leaving
(答案→)A. left
B. leave
C. will leave
D. leaving
解析:并列的谓语:have done和have left并列,省略 have.