21.Thisisapurely_______problem,notapoliticalone.
22.The_______TOEFLscoreforenteringthisprogramis600.
23.Thebestexampleofaparadoxistheproverb‘More_______,lessspeed’.
24.Thiscompanyprovidesaverygood_______serviceforitsproducts.
25.Thereismore_______inmeatthaninvegetables.
26.Donot_______intheexam.Thiswilldoyounogood.
27.Becauseoftheboring_______,weneedtotakeavacationeveryyear.
28.Weneedto_______thepurposeoftheexperimentagain.
29.I_______greatsuccessformystudyinthisuniversity.
30.Fromthe_______fromthisexamination,weknowitistooeasyforthestudents.