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get; have been sold got; had been sold
got; had sold got; were being sold
will be sold will be sold out are sold are sold out
girls friends ; tickets collectors girl friends; ticket collectors girls friend; ticket collectors girl friends; tickets collectors
when unless whether because
get; have been sold got; had been sold got; had sold got; were being sold
Right Wrong Not mentioned
required are required require are requiring
to be shown to show showing being shown
either； or both； and neither； nor not only； but also
No one Nothing None Not anyone
require will require are required are to require
are required to are required require should be required
to tell to be told telling told
girl friend; tickets collectors girl friends; ticket collectors
girl friend; ticket collector girl friends; tickets collector
You can Yes All right Sorry
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