Chuyển sang câu bị động: 1. People grow rice in tropical countries. 2. Viet Nam exports a lot of rice to China. 3. They built that bridge many years ago. 4. Peter invited me to his party 2 days ago. 5. I met him at the airport last week.

1. People grow rice in tropical countries.

=>Rice is grown in tropical countries(by people).

2. Viet Nam exports a lot of rice to China.

=>A lot of rice is exported to China by Viet Nam.

3. They built that bridge many years ago.

=>That bridge was built many years ago (by them).

4. Peter invited me to his party 2 days ago.

=>I was invited by Peter to his party 2 days ago.

5. I met him at the airport last week.

=>He was met at the airport last week (by me).

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