【C10】A．both... andB．as well... asC．neither... norD．whether... or

（) my mother （) Mary was unhappy.A. Either…andB. Both…andC. None.. ofD. Not only…bu

【C10】A．andB．alsoC．eitherD．then

【C12】A．andB．norC．as wellD．either

【C14】A．andB．soC．butD．as

【C12】A．andB．orC．thanD．as

His grandfather is very healthy.He_____ drinks _____mokes.A.both,andB.neither,norC.neith