---Kathy, what do you think of my painting?
---_____________.
---She has never been to Hong Kong, ________ she?
---__________, so she knows little about it.
---Listen ! Helen is singing in the classroom .
---It’s ______ .She hardly ever sings .
---We're doing a lot to protect our environment, but it is not good enough.
---So we should try______ to look after it.
--- Would you like to sing some songs with us?
--- _________ I have to cook.
---What’s in the pencil-box?
---________ a pen in it.
--Would you like to go to the concert with me tonight?
--I'd love to, but of us two has tickets. Do you have some?
--- I have great _______ in learning Maths and I’m so worried. Could you help me?
--- Sure. I’ll be glad to.
---Help yourself to some cakes, please.
--- ____________.
---They go to school early in the morning.
---_________________.