Be careful when ( you are ) crossing the street.
Be careful when you are crossing the street.
Be careful when ( you are ) crossing the street.
be careful when you are crossing the street.可以改写成be careful
You must be careful when crossing the street.改为祈使句
when crossing street,you must be careful
be careful while you are crossing the street(同义句) be careful
英语状语从句1.when crossing the street,you should be careful.所示是什么
_be careful when crossing the street.
Be careful when you are crossing the road,or you ______ get
Be careful when you c_______ the street
Be careful when your crossing the street.这个句子错在哪,
英语语法问题:Be careful when/while crossing the street.这个句子是不是独立主格