15.A.what B.how C.when D.where
14.A.used to B.seemed to C.had to D.happened to
13.A.capital B.meaning C.design D.change
12.A.old B.normal C.first D.present
11.A.helps B.tricks C.fails D.satisfies
10.A.one B.more C.other D.such
9.A.open B.run C.begin D.move
8.A.of B.for C.like D.as
7.A.ideas B.opinions C.feelings D.questions
6.A.look at B.look after C.look for D.look up