A. It helps to have a good sleep. B. It helps to streng-找考题网

单项选择题

A. It helps to have a good sleep.
B. It helps to strengthen the bones.
C. It helps to supply enough blood to head.
D. It helps to exercise muscles in the body.

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单项选择题

A. When they first arrive at a prison. B. When they are leaving the prison. C. When they behave themselves. D. When they break the rules.

A. When they first arrive at a prison. B. When they are leaving the prison.
C. When they behave themselves. D. When they break the rules.

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