girl; lesson; online; answer; hand up; home; computer; video call; teacher; desk; kid; education; study; child; learn; internet; hand raised; smart; course; distance; remote; modern; lifestyle; table; student; pupil; diligent; social distancing; stay at home; self isolation; quarantine; elementary; contemporary; knowledge; sit; task; digital; primary; horizontal; indoors; back view; faceless; unrecognizable; anonymous; copy space; homework; ready; hand; childhood; answering