31．Betty goes to learn how to play the violin every afternoon Saturday and Sunday．She does——青夏教育精英家教网—

摘要：31．Betty goes to learn how to play the violin every afternoon Saturday and Sunday．She does the housework on these days． A．on B．during C．except D．from

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Betty goes to learn how to play the violin every afternoon Saturday and Sunday．She does the house work on these days．

A．on B．during C．except D．from

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