Answers and explanations
- Called. We are mentioning an alternative name or term for something. Another possible one, but requiring a preposition, is ‘referred to as’.
- Along/together. Here, the idea is that audiobooks progressed at the same time as the World Wide Web.‘And’ does not show the idea of development taking place at the same time.
- While. ‘When’ would be wrong, as it does not fully show that the action is taking place at the same time as the other one.
- Quicker. You might consider ‘faster’ as an alternative answer, but it is not very accurate here. We are talking about the amount of time rather than speed. Also, note the comparative form. Finally, we can only use one word, so ‘more quick’ would be incorrect because of the task rules.
- Jam. We could do without the word ‘jam’ if there was no article. Compare: ‘to sit in traffic’ and ‘to sit in a traffic jam’ – both options are correct. ‘Traffic’ is uncountable and therefore requires no indefinite article in this context.
- Those/ones. Both words are used here to avoid repeating ‘people’. Note the plural form.
- For. ‘True for somebody’ means that it can be applied to them or said about them.
- Is. The piece of grammar required here is a so-called ‘cleft sentence’ that is normally used to emphasise a particular part of the sentence.
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