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From December to February, school children in Costa Rica ______.( )(本题2.5分)
A、 have lessons every day
B、 have their examinations
C、 help their parents decorate their houses
D、 help their parents pick coffee beans
A、 have lessons every day
B、 have their examinations
C、 help their parents decorate their houses
D、 help their parents pick coffee beans
参考答案