60.A.intelligent B.characteristic C.psychological D.physical
59.A.difficulty B.question C.threat D.obstacle
58.A.afraid B.ahead C.aware D.ashamed
57.A.put B.get C.handle D.give
56.A.ever B.even C.still D.more
55.A.why B.that C.when D.how
54.A.for B.in C.into D.over
53.A.believing B.studying C.cultivating D.developing
52.A.Though B.Nevertheless C.However D.Moreover
51.A.in itself B.by itself C.itself D.on its own