Theexampleinthepassageshowsthat__________.

Theexampleinthepassageshowsthat__________.A.Internetproblemsaremoreseriousamongc

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Wearealwaysvaluabletothepeople__________.

Wearealwaysvaluabletothepeople__________.A.whopayus B.whocallus C.whohateus D.wh

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Theunderlinedword"crucial"inthefifthparagraphprobablymeans__

Theunderlinedword"crucial"inthefifthparagraphprobablymeans__________.A.critical

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__________beforeyouleavethelab.

__________beforeyouleavethelab.A.Makesurethatthewindowsareshut B.Tomakesurethatt

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Shetoldherneighbourthatshe__________thewell-knownscientistif

Shetoldherneighbourthatshe__________thewell-knownscientistifshehadattendedthelec

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