Inthatschool,Englishiscompulsoryforallstudents,butFrenchandRussianare_________.
—Let'stakeacoffeebreak.
—__________We'vebeenworkingforhours.
Morewindpowerstationswill____________tomeetthedemandforcleanenergy.
Themusicianalongwithhisbandmembers___________tenperformancesinthelastthreemonths.