while you are crossing the street,you must be carefui句型转换
while you are crossing the street,you must be carefui句型转换
while crossing the street,you should be careful句型转换:while __
be careful while you are crossing the street(同义句) be careful
You must be careful when crossing the street.改为祈使句
when crossing street,you must be careful
Be careful when you are crossing the street.
Be careful when ( you are ) crossing the street.
Look around while you are crossing the street!You can never
be careful when you are crossing the street.可以改写成be careful
you must look both ways before crossing the street中crossing的
Why didn't you look around while crossing the street?的翻译
把You must cross the street at the zebra crossing.改成否定句