Every country holds its flag-raising ceremony in the training centers.
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Mark likes playing indoor games.
A. 对
B. 错
Rina is used to be quite good at bowling now.
A. 对
B. 错
Mark’s become a spectator rather than a participant. .
A. 对
B. 错
Their training is intense and scientific in techniques and conditioning.
A. 对
B. 错
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