The idea of fish being able to produce electricity strong enough to light a lamp is almost unbelievable, _____ several kinds of fish are really able to do this.
.---_____ I watch TV, I’ll turn it down and never make any noise.
--- Good. ______ you are doing should never disturb others. _______ how important you are,never forget about how others feel.
______ they live in the same house, we would no trouble finding them.
---But as traveling salesmen as well as seasonal herdsmen and farmhands, as you know, they move house _______ many of the Americans who live on wheels.