If we ___ to fulfill our obligations well have to pay

If we ___ to fulfill our obligations well have to pay a fine.
Изберите один ответ:
failed
will fail
fail
would fail
2.If the cost of transportation rises we ___ cut down the production volume.
Выберите один ответ:
would have had to
will have to
would have to
had to
3.If you hadnt completed your work on time they ___ the contract with you.
Выберите один ответ:
will break
would break
broke
would have broken
4.If we ___ the existing product portfolio we could increase our sales.
Выберите один ответ:
enlarge
would enlarge
will enlarge
enlarged
5.Unless our share price rises we ___ bankrupt.
Выберите один ответ:
went
go
would go
will go