4 возможно не правильно так как нету определённого предлога в дужках
Объяснение:
1) Most of the time,we go to France on holiday ( ussualy)
We ussualy on holiday
2) They visited America six years ago ( Visited)
They visited for six years ago
3) Our flight to Rome is tomorrow (flying)
We will fly to Rome tomorrow
4)How long is it since she left?
How long she has been leave?
5) He went abroad every year but he doesnt any more (go)
He was abroad every year