I was studying English when he knocked at the door.改错

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 When he knocked at the door,my aunt was ________ （cook） dinn 时态变化I was reading when someone knocked at the door.在该句前加I sa When I was in the bathroom sally knocked at the door.错在哪里? he was simply out when I knocked on his door 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 I ＿＿ when she knocked at the door.A.cook B.cooks C.was cooki 连成句子I,having,when,was,someone,breakfast,at,knocked,door,the 英语翻译翻译:1.someone knocked at the door when I was having break