用,who ,which,that,whom,whose,where,when,填空
1.the house in _______he lived was broken.
2.the building _______was built last month is a medern one .
3.the girl _______is singing is Jim's sister.
4.this is the most beautiful mounatain _______ I have ever visited
5.he is the boy _______mother was killed in a traffic accident last year.
6.she is the girl _______we often talk about
7.is there anything _______ I can buy for you.
十万火急,请快些,