Giúp mình thêm which, where, whom, who, why, when vào vs ạ
1/ Do you know the girl ........................... brought me the letter last week?
2/ What do you call the man ............................ wife has died?
3/ Please bring me the hat .......................is on the shelf.
4/ You didn’t come to the party last night, ____________ was a pity.
5/ Mr. Brown was the first owner____________ dog won three prizes in the same show.