2. 职称英语
  3. I would have seen him off, had it been possible but I ______ so busy then.A、had

I would have seen him off, had it been possible but I ______ so busy then.A、had

游客2024-07-05  41
问题 I would have seen him off, had it been possible but I ______ so busy then.
选项 A、had been
B、were
C、was
D、would be
答案 A
解析 这里是虚拟语气，前面的时态决定后面的时态。
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