he,across,ran,the,street,himself,by

he,across,ran,the,street,himself,by I ran across the street after the dog.这是什么用法? across from the street he can't walk across the street 同义句 He is going across the street.同义句 填空：He often help old people_________(across) the street. .when he ran across the field ,he _ (撞) a big tree and fell he can solve the problem by himself (对by himself提问?） across the street和cross the street He saw his friend on the other side of the street and he ran 用across the street造句 Go/walk across the street