1.He has been _____ by a horrible disease, from which one of his best friends died two weeks ago.
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1.The doctors areat a loss because so far no medicine has been found to ______the spread of the disease.
It is obvious that the future of the Internet is to ______ more and more areas of the world, and that e-entertainment are going to go for more and more markets.
1.Most cities in the country have introduced "Clean Air Zones" ____ factories and households are only allowed to burn smokeless fuel.
1.He received a(n) _______ call threatening to disclose details of his affair if he didn’t pay the money.