`a)` Lan is my classmate who lives near my grandparent's house.

`b)` The young man who is talking to our teacher is Ba's brother

`c)` We visited the monument which was built a hundred years ago.

`d)` The victims of the flood need help where were half starved for many days.

`e)` The baby was still alive who was lifted and put down a hundred meters away by a tornado.

`f)` The weather forecast program takes place at 8.pm everyday where people like to watch it.

`g)` Hoa's perents who buy a lot of candles and food will use them in case the market is close.

who : dùng với người

which: dùng với đồ vật

where: nơi chốn

whose : quyền sỡ hữu ( Hoa whose parents .... )