根据句意用适当的介词或副词填空We begin the first class_____about 8:00Thanks_______your letterHe wants to know______our schoolWe usually go to the movies_______weekendsBest wishes_______you

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We begin the first class___at__about 8:00Thanks__for_____your letterHe wants to know___about___our schoolWe usually go to the movies__on_____weekendsBest wishes____to___you