______ yesterday, you would have met Professor Jones. But now he has left for Lo

游客2024-01-14  21

问题 ______ yesterday, you would have met Professor Jones. But now he has left for London.

选项 A、Did you come
B、Had you come
C、Should you come
D、Were you to come

答案 B

解析 虚拟语气,省略if句子需要倒装,原句为“If you had come…”。
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