11.Howmuchpergallonisthis_______?A.poisonB.pipeC.oxD.gasoline

　　12.Icouldntheartheprogrambecausetherewastoomuch_______.

　　A.graspB.globeC.superiorD.interference

　　13.Thanksfortheadvice,butthisissomethingIhaveto_______outmyself.

　　A.fulfillB.identifyC.figureD.claim

　　14.Marywasseriouslyinjuredina_______.

　　A.collisionB.geologyC.manuscriptD.pool

　　15.This80-200mmzoomlensbearscanonsLdesignation,denotingatop-of-the-linelens

　　builttoextremelyhigh_______.

　　A.tolerancesB.pitchC.possessionD.purses

　　16.AccordingtoMr.Green,thisisa_______problem.

　　A.grandB.complicatedC.owingD.powder

　　17.Imgoingtocalla_______torepairmycarthisafternoon.

　　A.mechanicB.hostC.giantD.glance

　　18.Theyhavealready_______thetelephoneintheirnewhome

　　A.parceledB.spunC.installedD.retaained

　　19.Theroofhas_______init,andthefrontstepsneedtobefixed.

　　A.antsB.drumsC.grainsD.leaks

　　20.HereceivedfouryearsoftraininginEnglishandtwoyearsinEnglishteaching.Heisa

　　_______Englishinstructor.

　　A.responsibleB.scaredC.vastD.qualified