—— What about having a rest? We have worked so long.—— OK. Stop__________,please. Let’s stop__________ some water.
--Never forget to bring your homework with _______. --__________.
I think your advice is of great ________ to me and it’s _______.
-- Look at that girl. Is it Susan? --No, it _______ be her. She has gone back to her home town .
________ great progress he has made this term ! He feels _______ .
To live a low-carbon life , we must try to save _____ energy and produce ____ carbon .