Scientistshaveobtainedmoreevidence___________plasticisfindingitswayintothehumanbody.
A、whatInthatschool,Englishiscompulsoryforallstudents,butFrenchandRussianare_________.
Unliketraditionalgyms,app-backedgymsofferpeople___________optionstoexercise.
In that school, English is compulsory for all students, but French and Russian are _________.
We’d better discuss everything _______ before we work out the plan.
Scientists have obtained more evidence ___________ plastic is finding its way into the human body.
