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/addmany new features.
3.They are growing/grow/have been growing/grewvery fast for the last few years.
4.The Queen recently opens/has recently opened/is recently opening/has been recently openinga social network site.
5.Have you been/Did you go/Were you going/Have you been goingon this site before?
6.No, I have never been seeing/am never seeing/was never playing/have never seen it before.
7.My sister doesn't use/uses/has been using/is usingthem for years.

Answer 1

1,have been existing
2.were adding (tego nie jestem pewna)
3.grew
4.has recently opened
5.Have you been
6.have never seen
7.has been using

Answer 2

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