19.A back B overC downD off
20.A forceB pressureC strain D load
21.A pick B keepC takeD put
22.A means B reserves C financesD resources
23.A imagineB regardC suppose D know
24.A requirements B specifications C statesD terms
25.A allowed B approvedC justifiedD accepted
26.A understanding B intelligentC informedD knowledgeable
27.A stressB emphasisC weight D strength
28.A lettingB cutting C breaking D setting
29.A reached B achieved C gainedD met
30.A spaceB gapC hole D room
31.A frame B structureC form D order
32.A showedB appearedC demonstrated D presented
33.A ratedB thought C marked D believed

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