If it ________ for the heavy rain then, we would have arrived here ahead of time.
If you are traveling the customs are really foreign to your own,please do as the Romans do.
The American Civil War lasted four years the North won in the end.
How long is it ______ we last spent the holiday in the country together?
The head of the company promised to deal with matters of this sort ____ he returned to his office.
He will have learnt English for eight years by the time he _____ from the university next year.