when you cross the road,be careful of the traffic 为什么是the?

when you cross the road,be careful of the traffic 为什么是the? When you cross the road,be careful of ______. You should be careful when you cross the m____ road . Be careful when you walk cross the road改错 Paul,______（be） careful when you cross the road. be careful when you go --------(cross) the road be careful of the children ____ (cross)the road. be carefully 和 be careful怎么用?When you cross the road,you mus 英语翻译Be careful when you cross the m____ road.The animal call You must be careful when you cross the road.(改为祈使句） ___ careful when you cross the road. A. Do B. Do be C. Is D. We must be careful when you go _____（cross） the road.