কোভিড-১৯ ভাইরাস থেকে নিরাপদ থাকার সবচেয়ে কার্যকর উপায় হচ্ছে মাস্ক পরিধান করা । The correct translation is-
ক
Wearing masks is the most effective means of staying safe from Covid-19 virus.
খ
The most effective for stay safe from Covid-19 virus infection is wearing masks
গ
Mask wearing has been the most effective means of stay save form Covid-19 viruis
ঘ
Wearing masks will be the most effective for staying save from Covid-19 virus.
সঠিক উত্তর: Wearing masks is the most effective means of staying safe from Covid-19 virus.
Wearing masks is the most effective means of staying