After the final exams, I will have a ___________ vacation in Hainan.

I ’m going to the post office.—________you’re there, can you get me some stamps

Are you sure you have to It’sbeen very late— I don’t know _____ I can do it if notnow

The government has decided to give preference to those environmently-friendly business and companies in all aspects in _______ of sustainable development.

What did you do last weekend —_________.