Please help me use the verbs from the list to translate the sentences into…

Please help me use the verbs from the list to translate the sentences into Spanish.
?      conocer
?      poder
?      querer
?      saber
1. I failed to finish the book on Wednesday.
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2. Her girlfriends tried to call her, but they failed to.
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3. Susana met Alberto’s parents last night.
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4. The waiters managed to serve dinner at eight.
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5. Your mother refused to go to your brother’s house.
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