【C5】A．BothB．NeitherC．NorD．Not all

【C3】______A．BothB．All of whichC．EveryD．Each

All petitions are serious.A．RightB．WrongC．Not mentioned

【C3】A．eitherB．neitherC．bothD．all

The boss told all the employees_____ late for meetings.A. not beB. not to beC. be not

【C5】A．on the one handB．on the other handC．on all handsD．at second hand

【C5】A．not only hear but alsoB．as well hear asC．either hear orD．neither hear nor