题目内容
Because of the situation, Alan has not been able to ________ many of her duties.
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A new ________ has been developed to improve services for children and young people in the city.
They ________ a group of volunteers to help those in need.
After he left school, he tried his hand at a ________ of jobs: taxi driver, shop assistant and coal man.
He ________ his spare time to help the old people in the neighborhood.
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