Be careful!The road covered with snow.这句句子的时态

---(be) more careful while crossing the road be careful when you go --------(cross) the road You should be careful when you cross the m____ road . Paul,______（be） careful when you cross the road. Please be careful when you go a( ) the road Be careful when you walk cross the road改错 ( )when you cross the road.A.Do care B.Care C.Be careful D.To be careful _______the ice on the road .A Be careful B Be careful aboutC Take care D Taking care of when you cross the road,be careful of the traffic 为什么是the? You must be careful when you cross the road.(改为祈使句）__________________ when you cross the road. road cars be the about the careful on连词成句 变成祈使句哦We boys have to be careful when we cross the road.（变成祈使句）（）careful when （）cross the road. you must be careful when you coss the road.改为祈使句 We must be careful when you go _____（cross） the road. Be careful when crossing the road中的cross为什么加ing说清楚原因, Be careful when you ______ _______ the road.过马路时要小心 please remember（）（be）careful when you walk across the road Be careful!The road covered with snow.这句句子的时态