--- Where did you get to know him?--- I think it was in the factory______ I worked ten years ago.
Little _____ about his own health though he was very ill.
Well ____ know him and well ____ know me.
_____, he talks a lot about his favorite singers after class.
Never before _______in greater need of modern public transport than it is today.
______ about wild plants that they decided to make a trip to Madagascar for further research