Identify the expression by clicking on the figure. You can press Repeat and the buttons below the figure to make sure.
What need do you sound bad, having what it takes to complement the sounds you already have, and produce them in the right way?
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Click on the image associated with the word you hear, with the buttons you can hear the word associated with each figure.
But not only by the ear, study them using the button y Praat, record your imitation and let yourself decide when you say it.