Be careful when you cross this very busy street.

Be careful when you cross this very busy street . get run Be careful when you cross this very busy street.If n You must be very （）when you cross the busy street.A)care .B) 连词成句：cross,be,the,when,careful,you,street Be careful when you cross the street.为什么用cross而不用across? you must be careful when you cross the street中可以用if替代when吗 You must be careful when you cross the street.改为祈使句 be careful when you cross the street,or you may __run over b you must be careful when you cross the street.(同义句) You'd better be careful when you walk ( )[cross] the street. You should BE careful when you cross the street in the big c 用cross,be,the,when,careful,you,street连词成句