Nowadays, Chinese consumers are increasingly aware of their rights.       , safety and quality issues remain top concerns.

The guide told us that he would organize some business men abroad＿＿＿next week. 

 Young children seem to master computer games __________. And playing computer games will always make them feel ___________.

I think you’ve got to the point where a change is needed , _____, you’ll fail .

He is quite sure that it’s____impossible for him to finish the task within two days.