If the operation______carefully prepared，it would not have been successful.
A: was not
B: has not been
C: had not been
D: were not
A: was not
B: has not been
C: had not been
D: were not
C
举一反三
- Only time will tell if we （） A: had been succeeded B: have been success C: had been successful D: have been successful
- He must have had an accident, or he_____ here then. A: were B: would be C: would have been D: had been
- If he _______ in better health, he ________ abroad to study. ( ) A: is…had been sent B: were, could be sent C: had been … would be sent D: had been, would have been sent
- If you______there yesterday, you would have seen her. A: were B: B. would have been C: were being D: had been
- I would have come sooner if I had known you there. A: be B: were C: had been D: would have been
内容
- 0
Were it not for the expense involved, we ______ there by plane. A: would have been B: would go C: had been D: had gone
- 1
If the whole project()beforehand, a great deal of time and money would have been lost. A: was not planned B: has not been planned C: had not been planned D: were not planned
- 2
In the last few years，there________great changes in the country． A: had been B: were C: have been D: has been
- 3
If the team had been American, it's likely they ______ been annoyed. A: will have B: will C: would have D: has
- 4
The two strangers talked as if they ___ friends for years. A: were B: would be C: have been D: had been