用适当的关系词填空
We won’t forget the day ________ the hero was killed．
Tom is trying to read in the room ________ the others are watching TV．
He is the only person ________ saw the accident yesterday．
The medicine ________ he bought is good for your health．
The house ________ stands on the top of the hill was built last month．
Anyone ________ has a cold should have a good rest．
Anyone ________ comes to China will surely visit the Great Wall near Beijing．
This magazine belongs to the teacher ________ teaches us history．
Most Americans love Chinese food, ________ is cooked in a different way from western food．
We are learning English, a language ________ is used in many places in the world．