任务型阅读：Firest,when we cross the road ,we'd better stop and lo

Before we cross the road,we must stop and look both ways?loo Before we cross the road,we must stop and look both ways.对划线 before we cross the road ,we must stop and look both ways .改 We should wait________the green light when we cross the road when the traffic light turns red we-----cross the road when alignt turns red,we ( ) cross the road we can cross the road when we see the green man(否定句) We should think of ___(safe)when we cross the road; We must be careful_____(cross) the road. We cannot cross the road ____ cars. This is the way we cross the road中 the way we cross the road When the light turns green,we walk cross the road 哪里错了