【C9】A．areB．isC．beingD．to be

The meeting____ over，we all left the room.A、isB、to beC、beingD、would be

A．areB．wereC．beingD．would

【C6】______A．areB．to beC．be.D．is

【C14】A．beB．isC．to beD．being

Two years______a long time for a patient who has to lie in bed, and do nothing.A．areB．isC．

A．beenB．to beC．beingD．be