问题描述：
3.5 After the operation , the patient is supposed to go to the hospital for __ checks every month.
After the operation , the patient is supposed to go to the hospital for __ checks every month.
A.common B.normal C.regular D.usual
请说明理由,谢谢
After the operation , the patient is supposed to go to the hospital for __ checks every month.
A.common B.normal C.regular D.usual
请说明理由,谢谢
问题解答：
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