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$\color{#88DCFF}{\text{#Byen.}}$

`1` It is a company which imports sugar

`2` My uncle has a farm in which he raises cattle

`3` Viet Nam is a country which exports coffee

`4` It is a festival where participants have to cut rice

`5` This is a machine which is used to dry fruit

`-` CT :

which : dùng để thay thế cho những từ chỉ vật

in which / where : dùng để thay thế cho những từ chỉ nơi chốn

 - where = in/on/at which 

- N(vật) + which + S + V 

- N(vật) + which + V + O 

- which thay thế cho danh từ chỉ vật , đóng vai trò là chủ ngữ hoặc tân ngữ trong câu. 

- Từ ghép : N + V-ing/V nguyên 

- Danh từ ghép : N + N

`1,` It is a company which imports sugar.

`2,` My uncle has a farm in which he raises cattle.

`3,` Viet Nam is a country which exports coffee.

`4,` It is a festival in which participants have to cut rice

`5,` This is a machine which is used to dry fruit.