The policeman ____ the children to cross the street when the

The policeman ____ the children to cross the street when the ____ the busy street is very dangerous for children.(cross) you must be ____(care)when you cross the street. When you cross the street,you must look to _____. Be_____(care)when you cross the street. Please drive ( ) when you cross the street. cross the street=? Would you please ____(not cross) the street when the traffic You can go ____(cross) the street when the traffic lights ty It's___(danger) to cross the street. He was seen to cross the street. across the street和cross the street