--- I regret_______ you John has been fired.--- I can hardly believe my ears. He is such a fine worker.
My mobile phone is missing. Who _____ it?
The young man, _____ in heavy traffic on the way, got home an hour later than usual.
Don’t run red lights, _____ you may get run over by a car.
Language is changing all the time. Some English words today can mean totally different things to _____ they meant before.
Give my regards to your parents when you _____ home.