Unliketraditionalgyms,app-backedgymsofferpeople___________optionstoexercise.
A、casualThey are trying to make sure that 5G terminals_________ by 2022 for the Beijing Winer Olympics.
Scientistshaveobtainedmoreevidence___________plasticisfindingitswayintothehumanbody.
Wehaveenteredintoanage_______dreamshavethebestchanceofcomingtrue.
I can meet you at eight o'clock; _____ you can call for me.
Theoldladycan'thopeto_____hercoldinafewdays.
