Is it p---- to cross the Yellow River by boat

Is it p---- to cross the Yellow River by boat 英语补全对话,每空一词A：Be____!A car is comingB:I must see my father in the hospital,and it is ____thereA:But you ____ cross the road from here.There is heavy traffic,it is___danerous to cross.A car___hit youB:_____shall I cross the road,p The way traffic is today,it's easier to star on Browdway than it is to cross it. if you are sure that the road is clear ,it is always safe to cross if you are sure that the road is c____,it is safe to cross the road cross和across有什么区别（When is the road is clear,it is safe to----it.是填cross还是across) it is kind a----- to help them to cross the road in safety. It is ____for us to cross the street when the traffic lights are red空里要填什么... It is very important to obey the traffic rules when______(cross)the street. it's wrong of you to walk -----(cross)the street when the light is red Is it _______(safety)to cross the river in yhis old boat I think it is ——(mean) to help the elderly cross the road dogs telll the blind person when it is __________ to cross the road (safe) if the road is___,it is safe to cross 为什么空里是填clear而不是empty? Then if you are sure that the road is clear,it is always safe to cross.（翻译） If you are sure that the road is clead,it is safe to cross the road这句话是什么意思 In Europe it is quite usual to cross your legs when sitting talking to someone,even at an important meeting. 译：In Europe it is OK to cross your legs when you are sitting and talking to someone.