The news he will come back made us _______.—Come on. We must finish the work and don’t _______.

Mr. Brown didn’t believe that such a little thing could _____ much.

You have made a few mistakes in your composition but ______ you have done well.

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

You may _____ studying English, but in the long run, you’ll be glad that you did.