QUAREGNON, Belgium — Nearly two years after the pandemic forced school closures around the world, countries are once again grappling with whether to reopen classrooms, as holiday breaks draw to a close amid a surge in the omicron variant....
But Legrand is faltering in his studies, and evidence is emerging that European students experienced significant academic setbacks, even though they attended school in-person through most of the pandemic. Advertisement Story continues below advertisement Te
综合
华盛顿邮报-世界
2022-01-01 00:00:00.0