The stronger the __________ is,the more quickly a person will learn a foreign language.

25．There is an obvious __________ between the cultures of the West and East.

This morning I saw an old friend of mine in the street by ______.

I like the sofa we’ve found in the shop. In my opinion, it is a perfect ________ for the furniture (家具) in our sitting room.

-------He says that my new car is a ____________ of money. -------Don’t you think those words are just sour grapes?