题目内容：

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

优质解答

选C 四个选项都有通常的意思 下面解释每个单词的偏重的意思
A 是指普通的 B偏向正常的 C有惯例的意思 在这里指病人应该去医院做例行检查 D是寻常的