注意：此页面搜索的是所有试题
题目内容
（国家开放大学英语语法）
It had to be done, otherwise I ____ it.
A.would have done
B.hadn.t done
C.had done
D.wouldn.t have done
A.would have done
B.hadn.t done
C.had done
D.wouldn.t have done
参考答案
