45.A.search B.try C.live D.look
44.A.supposed B.observed C.declared D.found
43.A.still B.only C.just D.even
42.A.give B.offer C.leak D.pass
41.A.talk B.hear C.move D.operate
40.A.tough B.normal C.strange D.rough
39.A.Therefore B.Besides C.However D.Otherwise
38.A.end B.achieve C.pause D.reach
37.A.puzzle B.process C.injury D.trouble
36.A.safe B.good C.big D.free