Ответ:

Объяснение:

2 с

3 d

4 a

5 b

Ответ:

1.Do you think this app will turn into the next popular thing?

2.English is very flexible so we keep on adding new words to the language.

3.Does anyone know when social networks started coming into use?

4.The number of people on social network sites is going up every year.

5. I speak German so when we went to Berlin I was able to get by.