What would you have done last night, if you________ to write your homework.

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If he had not missed the train, he ________ by then.

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If you ________ the doctors advice, you would have al- ready recovered.

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I have neither a raincoat nor an umbrella．That's why I ________ wait until the rain stops.

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You must call them every week.

Yes．I ________.

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I told Sally how to get there, but perhaps I ________ for her.

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The weather shows no ________ of getting better.

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She ________ me ________ completely with her story on April Fool's Day.

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I don't believe God ________ the world.

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Alice, you should learn to ________ tools with your roommates.

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