There is no doubt that the increase in demand _____ the rise in prices.
We can’t ______ the car.There ______ something wrong with the engine.
Jane told me she would not attend the conference ______.
Without facts,we cannot form a worthwhile opinion,for we need to have factual knowledge ______ our thinking.
They said that they ______ a wonderful time in Beijing and they hoped to be there again.
______ so much electrical equipment,wood and paper in one place,there is a danger of fire.