wangqh2696122 How many were attacked by computer viruses last year ? Four or more than four? "
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wangqh2696122How many were attacked by computer viruses last year ? Four or more than four?We can assume from the wording "Among the countries" that there were others, so the answer to your question is "more than four."
wangqh2696122Among the countries that were attacked by computer viruses last year are Britain,Australia,Switzerland and the U.S.The question sounds a bit odd To my ear as it stands. I would rephrase it like this: Britain,Australia,Switzerland and the U.S. were amoung the countries that / which were attacked by computer viruses last year.