题目

(  )30. It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind， ？ A.was it     B.wasn’t it    C.did they   D.didn’t they 答案：A 解析: 略Running Man is a very relaxing TV program ________is still hot among teenagers.A.whichB.whatC.whoD.whose