When he knocked at the door,my aunt was ________ (cook) dinn
When he knocked at the door,my aunt was ________ (cook) dinn
I __ when she knocked at the door.A.cook B.cooks C.was cooki
I was studying English when he knocked at the door.改错
He was just falling asleep when someone knocked at the door.
英文同义句转换.A man knocked at the door when he was watching TV.A
I () my brother when someone knocked at the door
He was having dinner____a unknown woman knocked at the door.
( ) Someone knocked at the door ______ he was asleep.
When I was in the bathroom sally knocked at the door.错在哪里?
英语Someone knocked at the door when l (was watching) TV
When someone knocked at the door,I was having dinner.可不可以把wh
I (was about to ) go out when someone knocked at the door 为什