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 |
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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 |