At death's door,he began to repent.此句中的At death's door做状语还是补语?为什么?

At death's door,he began to repent.此句中的At death's door做状语还是补语?为什么? --who's that at the door?--____ is a postman.A.she B.thisC.itD.he she found the dog什么at the door a,die b,dead c,death d,dying Linda,there's somebody at the door.Go and see who___is.A.it B.she C.he who's the man at the door A He is a doctor; B He is a friend lf mine; C He is a famous dinger Death knocks at the door什么意思急用、 （ ）Jim,who's at the door?Dad,I think______.A.he is LiLei B.he is Tom C.she is Lucy D.it't Jim （ ）Tim,who's at the door?Dad,I think——.A.he is LiLei B.he is Tom c.shi is Lucy D.it't Jim at the dear's door The bus driver insisted that he ____ at a normal speed and therefore _____ for the child's death.The bus driver insisted that he ____ at a normal speed and therefore _____ for the child’s death.A drive :not answer B should drive ; shouldn't have an 英语 .There's someone at the door.Can you go and see who _________ is?A.he B.she C.that D.it 语法,( ) 1 Who's that at the door?____ is the postman.A.She B.This C.It D.He选C是固定用法吗 --Who's knocking at the door?--I'm not sure Maybe___is my good friend Jack.A.he B.it C.she D.him Look the tall boy at the door.He's from America.哪错了 He's our neighbour so he lives___us.A near ;B next door 选哪个,为什么, He heard a ___ knock at the door.A.loud B.loudly C.suddenly D.quite He left __ the door open?A in B on C at Dwith He ____his homework when someone knocks at the door.A.does B.is doing