Present Simple, Continuous, Perfect

There ___ over one billion Facebook users worldwide.

• are

• are being

And this number ___ all the time.

• increases

• is increasing

It is clear that Facebook ___ the way we ___ at friendship.

• changes

• has changed

• look

• have looked

The word 'friend' ___ a verb, and 'friends' now ___ people we only know online.

• becomes

• has become

• include

• have included

Those people we ___ .

• are never meeting

• have never met

One positive side to Facebook is that friends who ___ contact, often many years ago, ___ to get in touch again.

• lose

• have lost

• are now able

• have now been able

'More and more people ___ with old friends via Facebook,' says a spokesperson for the website.'

• connect

• are connecting

And Facebook also ___ that friends never ___ to lose touch; people can stay friends forever.

• means

• has meant

• need

• have needed