The _____ of electricity added to our difficulty repairing the bridge.
— Is everyone here? — Not yet.Look,there ______________ the rest of our guests!
The boy was so tired that he fell asleep _____________ his mother could take off his clothes.
—Why not find a new job?—Why should I? I _____________ as much,but I like what I'm doing.
Advertising can influence consumers' moods,_____ in turn,can influence consumers’reactions to products.
The scientist spent years alone in the forest,____ by eating wild fruit and small animals.