When I was doing my homework ,I heard someone (knock) at the

When I was doing my homework ,I heard someone (knock) at the WHEN I WAS READING I HEARD SOMEONE -----(KNOCK)AT THE DOOR 动词填空：1、When I was doing my homework,I heard someone ___(knoc I singing someone doing heard my honework while was I She was cocking when she heard someone ( )knock at the door I _________ my homework last night when I heard a loud knock I heard someone _____(knock /knocking) at the door just now i was doing my homework when my mom came i was about to go to bed()I heard a knock at the door 英语翻译1、I was doing my homework when my mother did the housewo I was doing my homework when he came in.(对I was doing my hom (When i was doing my homework in the classroom),they went ou