Be careful when you cross the street.为什么用cross而不用across?
Be careful when you cross the street.为什么用cross而不用across?
连词成句:cross,be,the,when,careful,you,street
you must be careful when you cross the street中可以用if替代when吗
用cross,be,the,when,careful,you,street连词成句
Be careful when you cross the street改成用非谓语动词
用非谓语动词改写这个句子be careful when you cross the street
being careful when you cross the street 用being正确吗 如果不正确为什么
Be careful when you cross this very busy street .
be careful when you walk ( ) the street,为什么填across
You should BE careful when you cross the street in the big c
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