2. 外语
  3. If the whole operation _____ beforehand, a great deal of time and money would have been lost.

If the whole operation _____ beforehand, a great deal of time and money would have been lost.

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问题 If the whole operation _____ beforehand, a great deal of time and money would have been lost.
选项 A、was not planned
B、had not been planned
C、were not planned
D、has not been planned
答案B
解析
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四川省大学英语三级

大学英语三级

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