if you are sure that the road is clear ,it is always safe to

if you are sure that the road is clear ,it is always safe to Then if you are sure that the road is clear,it is always saf if you are sure that the road is c____,it is safe to cross t if the road is___,it is safe to cross 为什么空里是填clear而不是empty? cross和across有什么区别（When is the road is clear,it is safe to--- when it is safe （） the road ifwe are () that the road is clear ,we can ()the road 英语翻译From the stopping track on the road,it is clear that the It is not safe to travel by standing at the road hoping to b 英语翻译Why are you so sure that it is a AIways make sure it is safe to back my dog is very__.it is safe to touch him if you want to A.sm