He busy yesterday, or he you with your experiment.
A. was; had helped
B. was, would have helped
C. had been; would have
D. were; would have helped
He busy yesterday, or he you with your experiment.A. was; had helpedB. was, would have h
答案:2 悬赏:10 手机版
解决时间 2021-02-11 03:06
- 提问者网友：沦陷
- 2021-02-10 18:36
最佳答案
- 五星知识达人网友：迟山
- 2019-07-29 09:16
A. was; had helped(答案→)B. was, would have helpedC. had been; would haveD. were; would have helped解析：考查时态和虚拟语气；第一空的时间状语是yesterday，故使用一般过去时。因为有含蓄的条件，用or(否则，要不然)，第二空是一个与过去事实相反的虚拟语气，使用“情态动词+have done”的形式；句意：昨天他很忙，要不然，他就会帮助你做实验。故B正确。
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- 1楼网友：洎扰庸人
- 2021-01-10 21:26
感谢回答，我学习了
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