- What’s the low-carbon (低碳) style life like?- Save _____ energy, produce _____ carbon.
There are three______ workers in this factory. My brother is in it ,too.
Is there wrong with my computer?No, it works well.
The boy, _______ his father, ____ playing basketball.
Now children, turn to Page _____ and look at the _____ picture in Unit 1.
—Listen, the music sounds_______ .I like it very much.—It’s Yesterday Once More, my favourite.