With a record of more than 90 goals in 2012, Messi is considered as the_______ football player in the world.

--- How do you like English, Lingling?--- I think it’s a little _____ than maths.

—What’s the low-carbon life style like? --Save_______ energy, produce ________ carbon.

Do you know of all the words we used in 2011 "hold" became      in China? 

I am good at math, but his English is ________ than mine.