YOU SAID:

who is the person knocking on my door? i wonder if it is my neighbor or my friend

INTO JAPANESE

私のドアをノックしている人は誰ですか?隣人なのか友達なのか気になる

BACK INTO ENGLISH

Who is knocking on my door? I wonder if it's a neighbor or a friend

INTO JAPANESE

誰が私のドアをノックしていますか?隣人なのか友達なのか気になる

BACK INTO ENGLISH

Who is knocking on my door? I wonder if it's a neighbor or a friend