sent , the butter factory is still polluting the river though it _____to stop.

lecture, the professor referred to the belief,in contrast to all other countries, ______ the elderly are wise, ______ isparticularly dominant in the Chinese culture．

I__________ Lucy at the bank theother day.

He has got himself into a dangerous situation ______ he is likely to lose control over the plan.

89 He was so tired that as soon as he lay down he fell _______ asleep