－Mary isn't throwing a frisby, is she?
－________. She is playing with a yo-yo.
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The teacher said something interesting and made the boy ________.
Many people enjoy ________ their friends at new year's time.
They asked him to stop ________, but he ________.
I went to bed ________ eleven last night.
He turned left quickly at a crossing, and he ________.
He tried his best ________ a business man.
Jack London is ________ writer.
It was very dark, but they went on ________ on the farm.
The policeman asked the boys ________ in the street.