—Mr Hu, can you tell us how to learn math well?—Sure. But remember nothing can be learned _________ hard work.
--- Let’s ______ basketball. --- That sounds interesting.
--- What’s your favourite day? --- ______.
--- Why does he like music? --- Because it’s ______.
--- ______ is your day? --- It’s OK.
--- Does Peter have a soccer ball? --- ______. And he has a basketball, too.