I heard a terrible noise in his room and went to see what it was all ___

There’s no doubt2013 will bring more change when the world economy is still unclear.

His mother always tells him that he should be more careful, but ____ doesn’t work.[ ]

If transport costs______into consideration at the beginning , the factory would have been built far from its present place

______ Lin Feng has to work late, she always wears a smile on her face.