Betweenthetwopartsoftheconcertisaninterval,__________theaudiencecanbuyice-cream.
A、WhenTheyaretryingtomakesurethat5Gterminals_________by2022fortheBeijingWinerOlympics.
Teachershavetoconstantlyupdatetheirknowledgeinordertomaintaintheirprofessional___.
Hewasnot_____totheclubbecausehewasn'tamember.
Heisaveryhonestofficialandnever_____anygiftsfromthepeoplewhosoughthishelp.
Inthatschool,Englishiscompulsoryforallstudents,butFrenchandRussianare_________.