Had I know about this computer program, a huge amount of time and energy_______.
A: would have been saved
B: had been saved
C: will be saved
D: was saved
A: would have been saved
B: had been saved
C: will be saved
D: was saved
举一反三
- about this computer program, a huge amount of time and energy would have been saved.
- Had the reader known about this computer program, a huge amount of time and energy ________.
- It could have saved me some trouble （） about it. A: had I known B: I had known C: did I know D: I knew
- 800 people have been saved by theorganization.
- I [u] [/u] the poor rabbit, but I didn’t have the right drugs with me at that moment. 未知类型：{'label': 'questionDesc', 'content': '请选择正确答案。', 'isMemberControl': 0, 'type': 181} A: could save B: had saved C: could have saved D: saved