Each motorcycle driver has to wear a mask.

　　每個摩托車駕駛員都得戴面罩。

　　Everybody had to wear a mask at the party.

　　化妝晚會上每個人都要戴面具。

　　I always wear a mask, sometimes I wear rubber gloves.

　　我總是戴一個面具，有時我也會帶橡皮手套。