In that school, English is compulsory for all students, but French and Russian are _________.
C
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Willallthose_____theproposalraisetheirhands?
Thefactthatsomanypeoplestillsmokeinpublicplace_______thatwemayneedantionwidecampaigntoraiseawarenessoftheriksofsmoking.
Will all those _____ the proposal raise their hands?
Morewindpowerstationswill____________tomeetthedemandforcleanenergy.