Pleasetelephonemehalfanhour_______.A.inchargeB.inadvanceC.in

Pleasetelephonemehalfanhour_______.A.inchargeB.inadvanceC.intimeD.infront

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Suchelectrontubes________inaradiosetarealsofoundinaTVset.A.t

Suchelectrontubes________inaradiosetarealsofoundinaTVset.A.thatweuseB.asweuseC.a

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Everyofficerandeverysoldier_______obeytherules.A.hadtoB.have

Everyofficerandeverysoldier_______obeytherules.A.hadtoB.havetoC.hastoD.musthavet

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