Few young people have got interest in doing traditional work these days, ______?

I don’t think you can finish the work in such a short time, __________?

--- He hardly spent any time on his subjects, ____________ ?--- _______________, so he does badly in his lessons. 

It is very important ＿＿＿people to have food and water every day.

--- She’s already been back to Wuxi, ________?--- ________. She is on a visit to Shanghai.