21.Thislightshelfisstrongenoughto_______allthebookshere.
A.wipeB.waxC.surveyD.sustain
22.The_______CourtisthehighestcourtintheUnitedStates.
A.VitalB.ThunderC.ReverseD.Supreme
23.Ouruniversityhasaninternationalstudentexchange_______withtheUniversityofWyomingintheUnitedStates.
A.processionB.provisionC.professionD.program
24.He________ofmethebestwaytogo.
A.investigatedB.inquiredC.frightenedD.resorted
25.Mr.Whitetriedto_______thisjobthroughtheinfluenceofhisfather.
A.harnessB.fetchC.curseD.obtain
26.Thepolicedogfinallyfoundthe_______oftheprisonersofwar.
A.steepB.resolutionC.porterD.trail
27.Astheonly_______inthesmallvillage,henotonlyfixedthefurniturebutalsomadefurnitureforthevillagers.
A.symbolB.sourceC.panD.carpenter
28.Abigcrowdgatheredaroundthebus,almost_______thetraffic.
A.affectingB.blockingC.creatingD.mating
29.AsfarasIsee,thisbookhasitsown_______.
A.meritB.signalC.visibleD.swift
30.Thistreeistoo_______tobeplantedinthisarea.
A.tremendousB.vigorousC.shyD.tender