单项选择题
A.failing B.failed C.fail D.failure
A.decline B.reject C.refuse D.resist
A.appeared B.vanished C.lost D.entered
A.trace B.trouble C.destination D.product
A.parts B.decreases C.patches D.decks
A.broad B.mechanical C.wide D.spectacular
A.aboard B.on C.off D.abroad
A.abroad B.aboard C.board D.broad
A.careful about B.good at C.slow at D.interested in
A.pass byB.decision againstC.recovery fromD.care of
A.win back B.win through C.come up with D.come at