________energy,turn off the hot water after you take a shower.
She kept _________ hard at her physics and finally caught up with us.
--- ________ you play international chess? --- No, I can’t. But I can play Chinese chess.
--- __________ are all these together? --- 425 yuan.
Spring is coming and there ________ flowers everywhere.
--- Can you come and play with us this evening? --- I’d love to, ___________I have a lot of homework to do.