Question

Choose the correct alternatives.

1 Social networking sites are existing/ exist/ have been existing/ have existed since the 1990s.

2 The sites added/ have added/ were adding/ add many new features.

3 They are growing/ grow/ have been growing/ grew very fast for the last few years.

4 The Queen recently opens/ has recently opened/ is recently opening/ has been recently opening a social network site.

5 Have you been/ Did you go/ Were you going/ Have you been going on this site before?

6 No, I have never been seeing/ am never seeing/ was never playing/ have never seen it before.

7My sister doesn't use/ uses/ has been using/ is using them for years.

Answer 1

1 have exsisted

2 have added

3 have been growing

4 has recently opened

5 Have you been

6 have never seen it before

7 has been using