There was a knock at the door when we () () (have) supper
There was a knock at the door when we () () (have) supper
The Greens ()(have)supper when there was a knock at the door
He was sleeping when there was a loud knock at the door.[对sl
there was a knock on the door.
There was a knock at the door.It was the second time someone
There was a knock at the door.(改为同义句)_____ ______ ______ the
he was falling ____(sleep) when he geard a knock at the door
he_asleep when there_aloud knock at the door. A was just fal
There was a loud knock at the door.(用时间状语从句合并成一个句子)
Someone---at the door when Tom was having his supper?
1.S_____ there was a knock on the door.
可以说there is a knock at the door吗