A.Economists B.Frmaers C.Politicians D.Steelworkers
A.patient B.satisfied C.angry D.strict
A.In a word B.In a sense C.Indeed D.In other words
将possible改为impossiblE.
A.some B.none C.many D.one
A.simple B.easy C.rough D.hard
A.noticed B.declared C.explained D.doubted