In that school, English is compulsory for all students, but French and Russian are _________.
C
暂无解析
—Let'stakeacoffeebreak.
—__________We'vebeenworkingforhours.
Thefactthatsomanypeoplestillsmokeinpublicplace_______thatwemayneedantionwidecampaigntoraiseawarenessoftheriksofsmoking.
Hehasthe_____ofanathlete:hereallygoesallouttowin.
Auniversityisaneducationalinstitutionwhich_____degreesandcarriesoutresearch.