单项选择题

Dr. Naismith thought ______ a few days and invented a kind of ball game.

A．of
B．for
C．on
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What a weather! It ______ for four days and no one knows when it will stop.
A．snows
B．is snowing
C．has snowed
单项选择题
Could you tell us what the lost girl ______
A．had on
B．put on
C．went on
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