If it ________ for the heavy rain then, we would have arrived here ahead of time.
If we ___ the other road, we might have arrived here in time for meeting.
He is not ____ to be present at the meeting tonight.
Being young means having all kinds of possibilities, so you should challenge your limits and go _____ your boundaries.
The idea ____ he didn’t have to stop at the red light at night caused the traffic accident.
My calculations were based on the ________ that house prices would remain steady.