1. complete the sentences with the correct form of the verbs given 1) by 2030 dvds (disappear) 2) by 2020 humans (not visit) 3) by this time nexy year i (study) at university for two years and have one more year to go 4) next year that pilot (make) over one thousand flights 5) by four o'clock we (travel) hours
2) By 2020 humans (will not have been visited)
3) By this time next year I (will have been studying) at university for two years and have one more year to go.
4) Next year that pilot (will have made) over one thousand flights.
5) By four o'clock we (will have been travelling) for ten hours.