1. People used to use banana leaves to wrap food. ⭢ Banana leaves used______________________ to wrap food. 2. Minh last wrote to his pen pal five months ago. → Minh ................................................ to his pen pal for five months. 3. We should help the homeless people. They suffered from natural disasters. ⭢ We should help the ______________________________ from natural disasters. 4. He can’t treat people. He is not a doctor. 🡪 If he was a doctor, ________________________________________________