Put the_______of your tongueagainst your upper teeth when you produce the sound。

The head office of the computer company is in Zhejiang, but it has ______ all over the country.

You have missed your______.You have to queue up there and wait for the next round.

I paid him ￡50 for the painting, but its true ______ must be at least ￡500. 

One advantage of living on the top floor of a high rise is that you can get a good______of the city.