The old man walked very slowly.中哪个是不及物动词?哪个是介词?

The old man walked very slowly.中哪个是不及物动词?哪个是介词? The old man walked very slowly 该感叹句 _______by his granddaughter,thr old man walked very slowly. 改错the old man walked slowly cross the bridge The old man walked slowly.S____ he fell down. The old man walked into the house slowly.(改为同义句) The old man walked slowly into the restaurant.With head tilt Though the old man felt tired,he walked very f___ The man is walking.中哪个是宾语. 哪个是正确答案Is that kind old man alive? go this way,go是不及物动词,那么go后面省略了哪个介词 英语中,“vi.”&“vt.”哪个是及物动词,哪个是不及物动词?怎样区别?