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2.It so happened that they________ the novel before.

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2.It so happened that they________ the novel before.
A.had read B.would read C.were reading D.read
3.She________ for nearly two hours.
A.kept talking B.kept to talk C.has kept talking D.kept to talking
2.It so happened that they________ the novel before.
2A,3A...
再问: 为啥3题选A?
再答: 'her talking' has finished and this sentence is just a report of a past act
再问: 那为什么完成了不是现在完成时?
再答: this is a finished act = in the past