The young scientist has made such great achievements in his chosen field ______ nobody else can make.

It makes no difference to him______ you stay here or go to Hong Kong.

Scientists don’t think that a warm winter always has a negative influence on our life,____?

don’t understand how you should spend so much money in only one month. Please ________ each sum of the money you spent to me.[ ]

The sudents were silent as they saw the ___ look on their teacher’s face.