—I’m calling to say good-bye. I’m flying home tomorrow. — .
E-mail, as well as telephones, ________ an important part in daily communication.
Mark woke up one morning only to find both water and electricity _______ because he had not been able to pay the bills.
Not until the train pulled into the station ______ that his suitcase was gone.
Your performance in the driving test didn’t reach the required standard— ________, you failed.
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