1316
1417
3035
3540
adolescent
american
audience
boy
caucasian
cautiously
covid19
epidemic
european
examination
exploring
female
french
german
girl
grade
hearing
inside
learner
learning
listener
male
man
masks
pandemic
pedagogy
pupils
russian
safety
scholar
scholarship
schoolchild
schooling
schoolroom
sitting
stripling
teacher
teenagers
teens
testing
young
young person
youngsters