Annoyed by the salesman’s bad manners, John chose       of the two computers on sale and left．

--- Do you like       here? ---Oh, yes, the air, the weather and the way of life. Everything is so nice.

Sarah decides to move to Hainan because she thinks that the air there is much fresher than ___ here.

. I’d appreciate ________ if you would be willing to teach me how to pronounce these new words. 

I like this jacket better than that one, but it costs almost three times______.