4 Complete the sentences with the correct form of the words in 3: 1 Approximately 15% of the world population are ___ of Mandarin. 2 Alice’s children went to primary school in Germany, so they ___ German without any problem. 3 Learning a language by ___ demands a lot of effort. 4 A linguist ___ the structure and use of language. 5 There are 41 million people (13% of the population) in the US whose ___ is Spanish.

Перевод задания: Дополните предложения правильной формой слов из задания 3.

1. Approximately 15% of the world population are native speakers of Mandarin. (Примерно 15% населения мира — носители китайского языка путунхуа.)
2. Alice’s children went to primary school in Germany, so they picked up German without any problem. (Дети Элис ходили в начальную школу в Германии, поэтому они без труда усвоили немецкий.)
3. Learning a language by self-study demands a lot of effort. (Изучение языка самостоятельно требует больших усилий.)
4. A linguist researches the structure and use of language. (Лингвист исследует структуру и употребление языка.)
5. There are 41 million people (13% of the population) in the US whose mother tongue is Spanish. (В США 41 миллион человек — 13% населения — говорят на испанском как на родном языке.)