Silver, copper, and brass need to be polished frequently to prevent them from tarnishing.
A. discolouring
B. wearing out
C. losing value
D. brightening
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After she spent a day with screaming children, her nerves were completely frayed.
A. less tired
B. dissatisfied
C. frightened
D. worn out
The film The Lion King really clicks with the public.
A. becomes friendly with
B. becomes popular with
C. becomes hostile with
D. becomes familiar with
Luckily he found her parents very affable.
A. rude
B. ruthless
C. well educated
D. easy to talk to
He'd got very annoyed about it, and it took all her tact to soothe him down.
A. calm
B. break
C. lay
D. settle
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