You must be careful when you cross the road.(改为祈使句）

You must be careful when you cross the road.(改为祈使句） You must be careful when you cross the street.改为祈使句 You must be careful when crossing the street.改为祈使句 We must be careful when you go _____（cross） the road. Paul,______（be） careful when you cross the road. You should be careful when you cross the m____ road . Be careful when you walk cross the road改错 be careful when you go --------(cross) the road When you cross the road,be careful of ______. you must be careful改为祈使句 be carefully 和 be careful怎么用?When you cross the road,you mus Please be careful when you go____the road.(cross)