题目内容

If I hadn't been lucky enough to meet you. I really _____ what I would have done.

A. don't know
B. hadn't known
C. wasn't knowing

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It is hard for me to imagine what I would be doing today if I ____ in love, at the age of seven, with the Melinda Cox Library in my hometown.

A. Wouldn't have fallen
B. had not fallen
C. should fall

Yesterday, Jane walked away from the discussion. Otherwise, she ____ something she would regret later.

A. had said
B. said
C. might have said

用真值表回答：1、当下面A、B、C三判断不同真时，可否断言“小金是否当选班长”？可否断言“小赵是否当选学习委员”？（1）小金不当选班长或小赵当选学习委员。（2）小赵当选学习委员。（3）小金当选班长或小赵当选学习委员。

用真值表回答，当下面A、B、C二真一假时，能断言哪一句为真（或为假）？不能断言哪一句为真（或为假）？A：要么小王出国，要么小孙出国。B：要么小王出国，要么小孙不出国。C：小王和小孙至少一人不出国。