安全提示的表达方式 — 英语填空题
题目
学校开展“安全提示标语改错”活动。下面是四位同学写的标语,每句都有一处错误。请找出错误并改正,将正确形式填在横线上。1. Don't plays with fire in the classroom. → ___ 2. You should to wear a helmet when you ride a bike. → ___ 3. Let's to cross the road when the light is green. → ___ 4. Not swim alone in the river. → ___(按题号顺序作答)