We can’t go on with the experiment becausethe computer_________.

Water, which seems so simple and common, is ______ makes life possible.

Could you tell me _____________—OK. Guiyang.

ently read that it’s good to walk a lot; ______, I’m getting off the bus a few stops early and walking the rest of the way.

_________ now to protect the environment, we’lllive to regret it.