【C16】______A．a strongB．a mostC．a badD．an exciting

The meeting room is so small that it can hold 20 people ________.A.at lastB.at mostC.at fi

【C16】______A．dangerousB．undesirableC．safeD．terrible

____________ 查看材料A.noB.mostC.fewD.much

He feels that he is not yet_____to travel abroad.（2010)A．too strongB．enough strongC．so str

He feels that he is not yet_____to travel abroad.(2010)A.too strongB.enough strongC.so str

当“A 是 B 的充分条件” 。则“非 A 是非 B 的”________条件 非 B 是 A 的_______条件 B 是 A 的________条件。