Задание

Read the text. Seven sentences have been removed from the article. Choose from the sentences (A-H) the one which fits each gap (1-7). There is one extra sentence.

But how does a bird produce such a large range of sounds? Well, for a start, birds have no vocal chords, so they are physically unable to `talk.` 6 With a larger voice box, a bird can produce a wider range of sounds, such as in the case of parrots like Bibi.