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WHEN ... INVENTED
WHEN ... INVENTED
BAI TAP TRAC NGHIEM CHUYEN DE VE MAO TU TIENG ANH DOC
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58.When ... invented ?a. was telephone b. was the telephonec. were the telephones d. were a telephone.
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BAI TAP TRAC NGHIEM CHUYEN DE VE MAO TU TIENG ANH DOC