I heard someone _____(knock /knocking) at the door just now
I heard someone _____(knock /knocking) at the door just now
I heard someone ____(knocking/knocked)at the door just now.
WHEN I WAS READING I HEARD SOMEONE -----(KNOCK)AT THE DOOR
---someone is knocking at the door.Who _____ it be?
can you hear someone _____(knock) on the door now
I hear someone knocking at the door.的同义句
Listen!I hear someone knocking at the door.
have you heard someone knock at the door?为什么是knock,不是knoking
"Did you heard someone knocking at the door?"为什么要用at?
--Listen! Someone is knocking at the door.
i seem to hear someone knocking at the door,knocking为什么要加ing
一道七年级英语题I saw someone knocking at the door.为什么用knocking,see