Vietnam exports a lot of rice. It is grown mainly...

Câu hỏi: Vietnam exports a lot of rice. It is grown mainly in the south of the country.

A Vietnam, which is grown mainly in the south of the country, exports a lot of rice.

B Vietnam exports a lot of rice which grown mainly in the south of the country.

C Vietnam exports a lot of rice, that is grown mainly in the south of the country.

D Vietnam exports a lot of rice grown mainly in the south of the country.