Gas does accumulate in the mines around here.A increaseB sp

Gas does accumulate in the mines around here.A increaseB spreadC collectD g

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Mr.Johnson evidently regarded this as a great joke.A readi

Mr.Johnson evidently regarded this as a great joke.A readily B casually C

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A. doing B.putting C.making D.taking

A. doing B.putting C.making D.taking

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A.significance B.meaning C.sense D.clue

A.significance B.meaning C.sense D.clue

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All of the following are possible effects living longer mig

All of the following are possible effects living longer might have on working l

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