Our country are working even harder now to _______ the gap between the developed countries and ours.

The goods bought on line are _________ than those bought in stores.

John is very ____    ——if he promises to do something he’ll do it . 

Your suggestion on how to improve English writing ability is too general. Could you make it more _______?

 With the help of the firefighters ,the workers managed to escape from burning mine , ___________.