A society cannot be successful if it throws tradition away, but it cannot be successful ____if we do something to stop progress.

— Look! Black clouds are gathering.— Yes. A heavy rain is ______  to come.

I was caught in the traffic jam this morning; ______, I would have come on time.

It's ___ so easy as you imagine.

 If a person has not had enough sleep, his actions will give him ___ during the day.