—The Tshirt I received is not the same as is shown online.—________?But I promise you we’ll look into it right away.
I can’t connect my computer to the Internet. There must be ________ wrong with it.
Work hard at your lessons, ______ you’ll fail the exams again.
We’ll never forget the days ______ we lived in the country.
I am sorry I didn’t hear you clearly. _____you repeat it please?
—I regret____ to tell ____you that John has been fired. —I can hardly believe my ears. He is such a fine worker.