Complete the sentences. use the verbs and prompts in brackets to help you
2.I...my mobile phone next month, I'm not sure yet.(change-not certain)
3.My brother... ever.... all his friends on Facebook, it's impossible, he's got too many! (meet-certain)
4.My friends and I.... early tomorrow to watch the sunrise. (get up-not certain)
5.My grandparents.... definitely.... me later, it's cheaper than a phone call. (Skype™-certain)
6.Human beings....on another one day, when travel in space becomes easier and quicker. (live-not certain) ​